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
761
FNUS56 KMTR 182222
FWFMTR
Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
322 PM PDT Mon Aug 18 2025
.DISCUSSION...
A warming drying trend has begun over the service area. This will
continue through the balance of week, peaking Thursday and Friday
with inland temps potentially eclipsing 100. Minimum temps in the
mountains will struggle to drop into the 60s by end of week. The
marine layer will be compressed and held to the immediate coast.
Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.
$$
CAZ505-191030-
Coastal North Bay...Including Point Reyes National Seashore-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....47-52.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....65-73.
* 24 hr trend......Little change.
* Min humidity........70-80 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-55.
* Max humidity........80-100 percent.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....69-77.
* Min humidity........60-70 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 50s to lower 60s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the 60s to upper 70s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s.
Highs in the upper 60s to mid 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the 60s to mid 70s.
$$
CAZ503-191030-
Sonoma Coastal Range-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Clear.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 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.....78-86.
* 24 hr trend......9 degrees warmer.
* Min humidity........35-45 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....55-60.
* Max humidity........60-80 percent.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....86-94.
* Min humidity........30-40 percent.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the upper 80s to mid 90s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the mid 80s to lower 90s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 80s to lower 90s.
$$
CAZ502-191030-
Marin Coastal Range-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....47-52 except 56-61 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........80-100 percent except 50-60 percent above
2000 feet.
* 24 hr trend......Little change.
* 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 25 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-79.
* 24 hr trend......Little change.
* Min humidity........50-60 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 25 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.....49-54 except 57-62 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. Gusts up to 20 mph
in the evening.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 25 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....78-86.
* Min humidity........40-50 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 10 to 20 mph. Lows in
the 50s to mid 60s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the 70s to lower 80s.
$$
CAZ506-191030-
North Bay Interior Valleys-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....46-51.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....78-86.
* 24 hr trend......Little change.
* Min humidity........45-55 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 NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....49-54.
* Max humidity........80-90 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....85-93.
* Min humidity........35-45 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the mid 80s to lower 90s.
.FRIDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 80s to lower 90s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the 70s to upper 80s.
$$
CAZ504-191030-
North Bay Interior Mountains-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-59.
* 24 hr trend......Little change.
* Max humidity........60-70 percent except 48-58 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....80-88.
* 24 hr trend......Little change.
* Min humidity........30-40 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....54-63.
* Max humidity........55-75 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....88-96.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. West winds 5 to 15 mph. Lows in the 60s
to lower 70s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the 90s.
.FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
60s to lower 70s. Highs in the 80s to upper 90s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the 80s to mid 90s.
$$
CAZ006-191030-
San Francisco-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....61-69.
* 24 hr trend......Little change.
* Min humidity........75-85 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....53-58.
* Max humidity........90 percent.
* 20-foot winds.......West winds 10 to 20 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....66-74.
* Min humidity........65-75 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 10 to 20 mph. Lows in the upper 50s.
.THURSDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the upper 60s to mid 70s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the mid 60s to lower 70s.
.SATURDAY...Mostly cloudy. Southwest winds 10 to 20 mph. Lows in
the upper 50s. Highs in the 60s to lower 70s.
$$
CAZ509-191030-
San Francisco Peninsula Coast-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....49-54.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....63-71.
* 24 hr trend......Little change.
* Min humidity........65-75 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Slight chance of drizzle after
midnight.
* Min temperature.....50-55.
* Max humidity........90-100 percent.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* CWR.................10%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning. Slight chance of drizzle in the morning.
* Max temperature.....67-75.
* Min humidity........65-75 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................10%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy. Northwest winds 10 to 20 mph.
Lows in the 50s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the upper 60s to mid 70s.
.FRIDAY...Mostly cloudy. Patchy fog. Northwest winds 5 to 15 mph.
Lows in the 50s. Highs in the 60s to mid 70s.
.SATURDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the 50s. Highs in the mid 60s to lower 70s.
$$
CAZ508-191030-
San Francisco Bay Shoreline-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........80-90 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....71-79.
* 24 hr trend......Little change.
* Min humidity........55-65 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........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-57.
* Max humidity........90 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....77-85.
* Min humidity........45-55 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 10 to 20 mph. Lows in
the 50s to lower 60s.
.THURSDAY...Partly cloudy. West 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
to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to lower 80s.
$$
CAZ510-191030-
East Bay Interior Valleys-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....53-59.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-88.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....54-60.
* Max humidity........70-90 percent.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........25-35 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. Southwest winds 10 to 20 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to upper 60s. Highs in the upper 80s to mid 90s.
.FRIDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 50s
to upper 60s. Highs in the mid 80s to lower 90s.
.SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to upper 60s. Highs in the 80s to lower 90s.
$$
CAZ513-191030-
Santa Clara Valley...including San Jose-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........80 percent.
* 24 hr trend......10 percent drier.
* 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.....79-87.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....51-56.
* Max humidity........80-90 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........30-40 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the mid 50s to lower 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the upper 80s to mid 90s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 80s to mid 90s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 80s to lower 90s.
$$
CAZ512-191030-
Santa Cruz Mountains-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-58.
* 24 hr trend......Little change.
* Max humidity........65-85 percent except 50-60 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....74-82.
* 24 hr trend......Little change.
* Min humidity........45-55 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 25
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-60.
* Max humidity........65-85 percent except 48-58 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-88.
* Min 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.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the 50s to mid 60s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 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 mid 70s to lower 80s.
$$
CAZ515-191030-
East Bay Hills-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....52-59.
* 24 hr trend......Little change.
* Max humidity........63-83 percent except 38-48 percent above 2000
feet.
* 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 with gusts to
around 30 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 except 20-30 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph with gusts 20
to 30 mph.
* Ridges/upr slopes....West winds 10 to 15 mph with gusts to around
30 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-60.
* Max humidity........58-78 percent except 35-45 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph and gusty.
* Ridges/upr slopes....Southwest winds 10 to 15 mph with gusts to
around 30 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........30-40 percent except 20-30 percent above 2000
feet.
* 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.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. Southwest winds 10 to 20 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 to upper 90s.
.FRIDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 60s
to lower 70s. Highs in the 80s to mid 90s.
.SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
60s to lower 70s. Highs in the 80s.
$$
CAZ514-191030-
Eastern Santa Clara Hills-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-54 except 54-59 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........45 percent except 35-40 percent above 2000
feet.
* 24 hr trend......60 percent drier.
* 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 with gusts to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....78-86.
* 24 hr trend......Little change.
* Min humidity........25-35 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 25 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....51-56 except 56-61 above 2000 feet.
* Max humidity........40 percent except 30-35 percent above 2000
feet.
* 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 around 5 to 10 mph with gusts to
15 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....86-94.
* Min humidity........15 percent except 18-28 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* 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 60s to lower 70s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the 90s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the 90s.
.SATURDAY...Clear. Southwest winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the upper 80s to mid 90s.
$$
CAZ529-191030-
Northern Monterey Bay-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........80-90 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....71-79.
* 24 hr trend......Little change.
* Min humidity........55-65 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds up to 5 mph shifting to the
southwest 10 to 15 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear. Patchy fog early in the
morning.
* Min temperature.....50-55.
* Max humidity........90-100 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....73-81.
* Min humidity........55-65 percent.
* 20-foot winds.......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 upper
50s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
upper 50s. Highs in the mid 70s to lower 80s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
upper 50s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. Patchy fog. Southwest winds 5 to
15 mph. Lows in the upper 50s. Highs in the 70s.
$$
CAZ530-191030-
Southern Monterey Bay and Big Sur Coast-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........90 percent except Big Sur 70 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....62-67 except Big Sur 70-75.
* 24 hr trend......Little change.
* Min humidity........70 percent except Big Sur 50 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........500 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56.
* Max humidity........100 percent except Big Sur 70 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....65-70 except Big Sur 74-79.
* Min humidity........70 percent except Big Sur 50 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy. West winds 5 to 15 mph. Lows in
the 50s to mid 60s.
.THURSDAY...Mostly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the 60s to upper 70s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 60s to mid 70s.
.SATURDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the mid 60s to lower 70s.
$$
CAZ528-191030-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-54.
* 24 hr trend......Little change.
* Max humidity........80-90 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 20 mph decreasing to 5 to 10
mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....72-80.
* 24 hr trend......6 degrees cooler.
* Min humidity........45-55 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph increasing to 15 to 25
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....49-54.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 15 to 25 mph decreasing to 5 to 10
mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....76-84.
* Min humidity........45-55 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
partly cloudy. West winds 10 to 20 mph. Lows in the mid 50s to
lower 60s.
.THURSDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the mid
50s to lower 60s. Highs in the 70s to upper 80s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ516-191030-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5
to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....82-90.
* 24 hr trend......Little change.
* Min humidity........30-40 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph increasing to 15
to 25 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....49-54.
* Max humidity........70-90 percent.
* 20-foot winds.......Northwest winds 15 to 25 mph decreasing to 10
to 15 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........23-33 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph increasing to 10
to 20 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 15 to 25 mph.
Lows in the mid 50s to lower 60s.
.THURSDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the mid 50s to lower 60s. Highs 92 to 100.
.FRIDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows near
60. Highs 93 to 101.
.SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the 90s.
$$
CAZ517-191030-
Santa Lucia Mountains and Los Padres National Forest-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-59 except 59-65 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........50-70 percent except 35-45 percent above 2000
feet.
* 24 hr trend......50 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 15 mph with gusts to 20
mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....80-88.
* 24 hr trend......9 degrees warmer.
* Min humidity........30-40 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 30 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.....54-64.
* Max humidity........48-58 percent except 25-35 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Ridges/upr slopes....Northwest winds 5 to 15 mph with gusts to 20
mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........23-33 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 25
mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the 60s to lower 70s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 60s to lower 70s. Highs in the mid 80s to lower 90s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
60s to lower 70s. Highs in the 80s to lower 90s.
.SATURDAY...Clear. Northwest winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the 80s.
$$
CAZ518-191030-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
322 PM PDT Mon Aug 18 2025
.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....52-62.
* 24 hr trend......Little change.
* Max humidity........50-70 percent except 45-55 percent above 2000
feet.
* 24 hr trend......30 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Ridges/upr slopes....Northwest winds 5 to 15 mph with gusts to 20
mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY...
* Sky/weather.........Sunny.
* Max temperature.....82-90.
* 24 hr trend......Little change.
* Min humidity........25-35 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....52-62.
* Max humidity........45-55 percent except 35-45 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 35
mph decreasing to 25 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........18-28 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30
mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the 60s to lower 70s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 60s to lower 70s. Highs in the 80s to mid 90s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 60s
to mid 70s. Highs in the 80s to mid 90s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 60s
to mid 70s. Highs in the 80s to lower 90s.
$$
NOAA`S NWS on the web at www.weather.gov/sanfrancisco