Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
242
FNUS56 KMTR 012220
FWFMTR
Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
318 PM PDT Mon Sep 1 2025
...ELEVATED FIRE WEATHER THREAT IN THE INTERIOR MOUNTAINS THROUGH
THIS EVENING DUE TO LOW RH AND MODERATE BREEZES...
...COOLING TREND MID TO LATE WEEK...
.DISCUSSION...It`s hot and dry inland while nearest the coast and
bays within a shallow marine layer, sea breezes are developing. An
upper level low 300 miles southwest of San Francisco will continue
to move northeastward passing over the district late tonight and
Tuesday. The low is surrounded by dry air at the moment, but will
approach closer to residual mid level moisture late tonight and
Tuesday. The primary concern is there is a very low i.e. non-zero
probability of high impact weather if any elevated showers, isolated
dry lightning and storm associated gusty outflow winds develop.
Otherwise a cooling trend sets in Tuesday and will continue through
the remainder of the extended forecast. Daily highs and lows will
be closer to normal for early September.
Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.
$$
CAZ505-021030-
Coastal North Bay...Including Point Reyes National Seashore-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy drizzle after midnight.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........80-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....67-75.
* 24 hr trend......Little change.
* Min humidity........70-80 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy drizzle after midnight.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny. Patchy drizzle early in the
morning.
* Max temperature.....65-73.
* Min humidity........75-85 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the 50s.
.THURSDAY...Mostly cloudy. Patchy dense fog. West winds 10 to
20 mph. Lows in the 50s. Highs in the 60s to lower 70s.
.FRIDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the 50s.
Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the 60s.
$$
CAZ503-021030-
Sonoma Coastal Range-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....60-68.
* 24 hr trend......7 degrees warmer.
* Max humidity........48-58 percent.
* 24 hr trend......15 percent drier.
* 20-foot winds.......
* Ridges/upr slopes....North winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....84-92.
* 24 hr trend......Little change.
* Min humidity........30-40 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Ridges/upr slopes....East winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....55-60.
* Max humidity........70-90 percent.
* 20-foot winds.......
* Ridges/upr slopes....West winds 5 to 10 mph shifting to the east
up to 5 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-89.
* Min humidity........40-50 percent.
* 20-foot winds.......
* Ridges/upr slopes....Southeast winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the mid 50s
to lower 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the upper 70s to mid 80s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ502-021030-
Marin Coastal Range-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy drizzle after midnight.
* Min temperature.....53-58 except 61-66 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........65-85 percent except 45-50 percent above 1000
feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 20 mph
in the evening.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny. Patchy drizzle in the morning.
* Max temperature.....79-87 except 74-79 above 2000 feet.
* 24 hr trend......Little change.
* Min humidity........45-55 percent except 15-20 percent above 1000 feet.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 20 mph
in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy drizzle after midnight.
* Min temperature.....52-57 except 58-63 above 2000 feet.
* Max humidity........80-100 percent except 50-60 percent above
2000 feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle early in the
morning.
* Max temperature.....75-83.
* Min humidity........50-60 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the 50s to lower
60s.
.THURSDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 70s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to lower 60s. Highs in the 60s to upper 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 70s.
$$
CAZ506-021030-
North Bay Interior Valleys-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....55-61.
* 24 hr trend......Little change.
* Max humidity........65-85 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* 24 hr trend......9 degrees cooler.
* Min humidity........25-35 percent.
* 24 hr trend......little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy fog early in the
morning.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny. Patchy fog
early in the morning.
* Max temperature.....82-90.
* Min humidity........35-45 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Southwest winds 5 to 15 mph. Lows in the 50s to
lower 60s.
.THURSDAY...Partly cloudy. Patchy dense fog. Southwest winds
10 to 20 mph. Lows in the 50s to lower 60s. Highs in the 70s to
mid 80s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s.
Highs in the mid 70s to lower 80s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the 70s to lower 80s.
$$
CAZ504-021030-
North Bay Interior Mountains-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....63-73.
* 24 hr trend......Little change.
* Max humidity........40-50 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph shifting to the north
up to 5 mph after midnight.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 20 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....88-96.
* 24 hr trend......4 degrees warmer.
* Min humidity........15-25 percent.
* 24 hr trend......little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds up to 5 mph shifting to the
south 10 to 15 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 15 mph. Gusts up to 20
mph in the afternoon.
* Chance of Thunder...2 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Areas of smoke early in the evening.
* Min temperature.....56-66.
* Max humidity........60-70 percent except 30-35 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the 80s.
.FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ006-021030-
San Francisco-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy drizzle after midnight.
* Min temperature.....55-60.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....65-73.
* 24 hr trend......4 degrees cooler.
* Min humidity........75-85 percent.
* 24 hr trend......30 percent wetter.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy drizzle after midnight.
* Min temperature.....55-60.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 10 to 20 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
Patchy drizzle early in the morning.
* Max temperature.....64-72.
* Min humidity........75-85 percent.
* 20-foot winds.......West winds 10 to 20 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the upper 50s.
.THURSDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
$$
CAZ509-021030-
San Francisco Peninsula Coast-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy drizzle after midnight.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....67-75.
* 24 hr trend......Little change.
* Min humidity........70-80 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy drizzle after midnight.
* Min temperature.....52-57.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................10%.
.WEDNESDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
Patchy drizzle early in the morning.
* Max temperature.....66-74.
* Min humidity........70-80 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................10%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly cloudy. Northwest winds 5 to 15 mph.
Lows in the mid 50s.
.THURSDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s to lower 70s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s to lower 70s.
.SATURDAY...Mostly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the mid 60s to lower 70s.
$$
CAZ508-021030-
San Francisco Bay Shoreline-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear. Patchy drizzle after midnight.
* Min temperature.....56-61.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* 24 hr trend......Little change.
* Min humidity........50-60 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy drizzle after midnight.
* Min temperature.....55-60.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................10%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle early in the
morning.
* Max temperature.....74-82.
* Min humidity........55-65 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................10%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the mid 50s to
lower 60s.
.THURSDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the 60s to upper 70s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the mid
50s to lower 60s. Highs in the upper 60s to mid 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the upper 60s to mid 70s.
$$
CAZ510-021030-
East Bay Interior Valleys-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....60-70.
* 24 hr trend......Little change.
* Max humidity........50-70 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....87-95.
* 24 hr trend......7 degrees cooler.
* Min humidity........25-35 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....58-63.
* Max humidity........70-90 percent.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* CWR.................10%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........35-45 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 10 to 20 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the 70s to upper 80s.
.FRIDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ513-021030-
Santa Clara Valley...including San Jose-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....58-63.
* 24 hr trend......Little change.
* Max humidity........60-70 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....85-93.
* 24 hr trend......Little change.
* Min humidity........30-40 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds up to 5 mph increasing to
northwest 10 to 15 mph in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-59.
* Max humidity........90 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-91.
* Min humidity........40-50 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear in the evening then becoming partly
cloudy. Northwest winds 5 to 15 mph. Lows in the mid 50s to lower
60s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the mid 50s to lower 60s. Highs in the 70s to upper 80s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the upper 70s to mid 80s.
$$
CAZ512-021030-
Santa Cruz Mountains-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy drizzle after midnight.
* Min temperature.....58-68.
* 24 hr trend......5 degrees cooler.
* Max humidity........50-70 percent except 35-45 percent above 1000
feet.
* 24 hr trend......25 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 15 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....79-87.
* 24 hr trend......4 degrees cooler.
* Min humidity........40-50 percent except 15-20 percent above 1500 feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy drizzle after midnight.
* Min temperature.....54-63.
* Max humidity........58-78 percent except 40-50 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle early in the
morning.
* Max temperature.....78-86.
* Min humidity........45-55 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the 50s to
mid 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to lower 80s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the 70s to lower 80s.
$$
CAZ515-021030-
East Bay Hills-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....62-72.
* 24 hr trend......5 degrees warmer.
* Max humidity........25-35 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph and gusty.
* Ridges/upr slopes....Southwest winds 10 to 15 mph and gusty.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....85-93.
* 24 hr trend......Little change.
* Min humidity........15-20 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph with gusts 20
to 30 mph.
* Ridges/upr slopes....Southwest winds 10 to 15 mph with gusts 20
to 30 mph.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-65.
* Max humidity........35-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 20 mph.
* Ridges/upr slopes....Southwest winds 15 to 25 mph with gusts to
around 30 mph.
* CWR.................10%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-91.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 10 to 15 mph with gusts 20 to 30
mph.
* Ridges/upr slopes....West winds 10 to 15 mph with gusts 20 to 30
mph.
* CWR.................10%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 10 to 20 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to upper 60s. Highs in the upper 70s to mid 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ514-021030-
Eastern Santa Clara Hills-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....61-71.
* 24 hr trend......Little change.
* Max humidity........25-30 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 20 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....86-94.
* 24 hr trend......9 degrees cooler.
* Min humidity........10-20 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 15 mph. Gusts up to 20
mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 15 mph. Gusts up to 25
mph in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................10%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....56-64.
* Max humidity........35-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 15 mph with gusts to 20 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........25-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Ridges/upr slopes....West winds 5 to 10 mph and gusts to around
20 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 70s to mid 80s.
$$
CAZ529-021030-
Northern Monterey Bay-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy drizzle after midnight.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........90 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Southeast winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....71-79.
* 24 hr trend......9 degrees cooler.
* Min humidity........60-70 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......South winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog late in the evening. Patchy drizzle after midnight.
* Min temperature.....53-58.
* Max humidity........90-100 percent.
* 20-foot winds.......South winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly cloudy then becoming sunny. Patchy
drizzle early in the morning. Patchy fog early in the morning.
* Max temperature.....72-80.
* Min humidity........60-70 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in
the upper 50s.
.THURSDAY...Partly cloudy. Patchy fog. Southwest winds 5 to
15 mph. Lows in the upper 50s. Highs in the 60s to upper 70s.
.FRIDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the mid 50s. Highs in the 60s to upper 70s.
.SATURDAY...Partly cloudy. Patchy fog. Northwest winds 5 to
15 mph. Lows in the mid 50s. Highs in the 60s to upper 70s.
$$
CAZ530-021030-
Southern Monterey Bay and Big Sur Coast-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy drizzle after midnight.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........90 percent except Big Sur 70 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle in the morning.
* Max temperature.....64-69 except Big Sur 71-76.
* 24 hr trend......4 degrees cooler.
* Min humidity........70 percent except Big Sur 60 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy drizzle after midnight.
* Min temperature.....53-58.
* Max humidity........90 percent except Big Sur 70 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy drizzle early in the
morning.
* Max temperature.....65-70 except Big Sur 73-78.
* Min humidity........70 percent except Big Sur 60 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. West winds 5 to 15 mph. Lows in the 50s to mid
60s.
.THURSDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the mid 60s to lower 70s.
.FRIDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the mid 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 60s to lower 70s.
$$
CAZ528-021030-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....55-60.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* 24 hr trend......Little change.
* Min humidity........45-55 percent.
* 24 hr trend......40 percent wetter.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
west 10 to 20 mph in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 10 to 20 mph decreasing to 5 to 10
mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....75-83.
* Min humidity........50-60 percent.
* 20-foot winds.......West winds 5 to 10 mph increasing to 10 to 20
mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the mid to upper
50s.
.THURSDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid to upper 50s. Highs in the 70s to lower 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the mid
50s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s to lower 80s.
$$
CAZ516-021030-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....57-62.
* 24 hr trend......Little change.
* Max humidity........60-70 percent.
* 24 hr trend......35 percent wetter.
* 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5
to 10 mph after midnight.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* 24 hr trend......9 degrees cooler.
* Min humidity........20-30 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
west 10 to 20 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....52-57.
* Max humidity........75-95 percent.
* 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5
to 10 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....87-95.
* Min humidity........30-40 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 50s.
.THURSDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the 40s to upper 50s. Highs in the 80s to mid 90s.
.FRIDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in the
upper 40s to mid 50s. Highs in the 80s to lower 90s.
.SATURDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the upper 40s to mid 50s. Highs in the 80s.
$$
CAZ517-021030-
Santa Lucia Mountains and Los Padres National Forest-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....59-68 except 69-74 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........35-45 percent.
* 24 hr trend......30 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph shifting to the east
up to 5 mph after midnight.
* Ridges/upr slopes....West winds 5 to 15 mph with gusts to 20 mph
shifting to the northeast up to 5 mph after midnight.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* 24 hr trend......6 degrees cooler.
* Min humidity........15-25 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southeast winds 5 to 10 mph.
* Ridges/upr slopes....East winds up to 5 mph shifting to the
southwest 10 to 15 mph with gusts to around 30 mph in the
afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-63 except 63-69 above 2000 feet.
* Max humidity........40-50 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30
mph in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........30-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Mostly clear. Patchy dense fog. Northwest winds 5 to
15 mph. Lows in the 50s to upper 60s. Highs in the upper 70s to
mid 80s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ518-021030-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
318 PM PDT Mon Sep 1 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....62-72.
* 24 hr trend......Little change.
* Max humidity........40-50 percent.
* 24 hr trend......15 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 30 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................10%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* 24 hr trend......4 degrees cooler.
* Min humidity........20-30 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph increasing to 10
to 15 mph in the afternoon. Gusts up to 30 mph in the
afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....58-68.
* Max humidity........45-55 percent except 30-40 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 15 mph. Gusts up to 20 mph
in the evening.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 30 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........25-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds up to 5 mph shifting to the
southeast 5 to 10 mph in the afternoon.
* Ridges/upr slopes....West winds 5 to 15 mph. Gusts up to 25 mph
in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 60s to lower 70s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to upper 60s. Highs in the 70s to upper 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s to mid 80s.
$$
NOAA`S NWS on the web at www.weather.gov/sanfrancisco