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
917
FNUS56 KMTR 182132
FWFMTR
Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
232 PM PDT Tue Aug 18 2026
.DISCUSSION...
Generally light to moderate terrain driven winds through
Wednesday. Upslope and upvalley breezy conditions possible late
afternoon and early evening today and Wednesday. Warm and dry
conditions expected tonight and tomorrow night above the marine
layer. Onshore winds and a deepening marine layer are forecast for
the second half of the week. A passing shower is possible late in
the week associated with sub-tropical moisture moving over the
area. No thunderstorms are expected at this time.
Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.
$$
CAZ505-190945-
Coastal North Bay...Including Point Reyes National Seashore-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....65-73.
* 24 hr trend......6 degrees cooler.
* Min humidity........65-75 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....64-72.
* Min humidity........75-85 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Northwest winds 10 to 20 mph.
Lows in the 50s to lower 60s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s to lower 70s.
.SUNDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s. Highs in the 60s to lower 70s.
$$
CAZ503-190945-
Sonoma Coastal Range-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-67.
* 24 hr trend......Little change.
* Max humidity........60-80 percent.
* 24 hr trend......30 percent drier.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-88.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Ridges/upr slopes....North winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....55-61.
* Max humidity........70-90 percent.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....79-87.
* Min humidity........45-55 percent.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds up to 5 mph shifting to the
west 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Northwest winds 5 to 15 mph.
Lows in the 50s to mid 60s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the 70s to mid 80s.
.SUNDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s.
Highs in the mid 70s to lower 80s.
$$
CAZ502-190945-
Marin Coastal Range-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Patchy fog after midnight.
* Min temperature.....51-56 except 60-65 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........90-100 percent except 40-50 percent above
2000 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 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....75-83.
* 24 hr trend......Little change.
* Min humidity........45-55 percent.
* 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 afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56 except 58-63 above 2000 feet.
* Max humidity........90-100 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 10 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....72-80.
* Min humidity........60-70 percent except 40-50 percent above 2000
feet.
* 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 20 mph
in the afternoon.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 10 to 20 mph. Lows in
the 50s to mid 60s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the 60s to upper 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 60s to upper 70s.
$$
CAZ506-190945-
North Bay Interior Valleys-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....81-89.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY 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%.
.THURSDAY...
* Sky/weather.........Partly sunny. Patchy fog early in the
morning.
* Max temperature.....79-87.
* Min humidity........45-55 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 5 to 15 mph. Lows in
the 50s to lower 60s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the
50s. Highs in the 70s to lower 80s.
.SUNDAY...Partly cloudy. Areas of fog. Patchy fog. Southwest
winds 5 to 15 mph. Lows in the 50s. Highs in the 70s.
$$
CAZ504-190945-
North Bay Interior Mountains-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....61-66 except 66-76 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........50-70 percent except 40-50 percent above 2000
feet.
* 24 hr trend......35 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph shifting to the
northwest up to 5 mph after midnight.
* Ridges/upr slopes....West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* 24 hr trend......Little change.
* Min humidity........25-35 percent.
* 24 hr trend......20 percent drier.
* 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 up to 5 mph shifting to the
southwest 5 to 10 mph and gusts to around 20 mph in the
afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....55-65.
* Max humidity........60-80 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%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-91.
* Min humidity........35-45 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...
.THURSDAY NIGHT...Mostly cloudy. Southwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 70s to upper 80s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the 70s to upper 80s.
.SUNDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to upper 80s.
$$
CAZ006-190945-
San Francisco-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....53-58.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....63-71.
* 24 hr trend......Little change.
* Min humidity........75-85 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....54-59.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly cloudy.
* Max temperature.....62-69.
* Min humidity........80-90 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Cloudy. West winds 10 to 20 mph. Lows in the
upper 50s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s.
.SUNDAY...Mostly cloudy. Southwest winds 10 to 20 mph. Lows in
the upper 50s. Highs in the 60s.
$$
CAZ509-190945-
San Francisco Peninsula Coast-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Patchy fog after midnight.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....64-72.
* 24 hr trend......Little change.
* Min humidity........65-75 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly cloudy.
* Max temperature.....63-71.
* Min humidity........80-90 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s.
.SATURDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s.
.SUNDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s. Highs in the 60s to lower 70s.
$$
CAZ508-190945-
San Francisco Bay Shoreline-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....73-81.
* 24 hr trend......Little change.
* Min humidity........50-60 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-59.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....71-79.
* Min humidity........65-75 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 10 to 20 mph. Lows in
the mid 50s to lower 60s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the 50s
to lower 60s. Highs in the upper 60s to mid 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the upper 60s to mid 70s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the upper 60s to mid 70s.
$$
CAZ510-190945-
East Bay Interior Valleys-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....56-63.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-91.
* 24 hr trend......Little change.
* Min humidity........30-40 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-63.
* Max humidity........70-90 percent.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....80-88.
* Min humidity........40-50 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Southwest winds 10 to 20 mph.
Lows in the 50s to upper 60s.
.FRIDAY...Partly cloudy. Southwest winds 15 to 25 mph. Lows in
the 50s to mid 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the mid 50s to lower 60s. Highs in the upper 70s to mid 80s.
.SUNDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the upper 70s to mid 80s.
$$
CAZ513-190945-
Santa Clara Valley...including San Jose-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* 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........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* 24 hr trend......Little change.
* Min humidity........30-40 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........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....54-59.
* Max humidity........80-90 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....81-89.
* Min humidity........45-55 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Northwest winds 5 to 15 mph.
Lows in the upper 50s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
mid 50s to lower 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
to upper 50s. Highs in the upper 70s to mid 80s.
.SUNDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
to upper 50s. Highs in the upper 70s to mid 80s.
$$
CAZ512-190945-
Santa Cruz Mountains-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....57-67.
* 24 hr trend......Little change.
* Max humidity........65-85 percent except 43-53 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds up to 5 mph in the evening
becoming downvalley 2 to 6 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........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....77-85.
* 24 hr trend......Little change.
* Min humidity........40-50 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming northwest up to
5 mph in the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-62 except 61-70 above 2000 feet.
* Max humidity........63-83 percent except 43-53 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%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....75-83.
* Min humidity........45-55 percent except 35-45 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.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Northwest winds 5 to 15 mph.
Lows in the 50s to mid 60s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the 70s.
.SUNDAY...Partly cloudy. Areas of fog. West winds 5 to 15 mph.
Lows in the 50s to lower 60s. Highs in the 70s.
$$
CAZ515-190945-
East Bay Hills-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....57-67.
* 24 hr trend......Little change.
* Max humidity........58-78 percent except 30-40 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 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........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84 except 83-91 above 2000 feet.
* 24 hr trend......Little change.
* Min humidity........35-45 percent except 18-28 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph with gusts 20 to 30
mph.
* Ridges/upr slopes....West winds 5 to 10 mph with gusts 20 to 30
mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....56-66.
* Max humidity........58-78 percent except 33-43 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph with gusts to
around 30 mph.
* Ridges/upr slopes....Southwest winds 10 to 15 mph with gusts to
around 30 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....72-80 except 80-88 above 2000 feet.
* Min humidity........50-60 percent except 18-28 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 10 to 15 mph with gusts to around
30 mph.
* Ridges/upr slopes....West winds 10 to 15 mph with gusts to around
30 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. Southwest winds 10 to 20 mph.
Lows in the 50s to upper 60s.
.FRIDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s to upper 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.
.SUNDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to mid 80s.
$$
CAZ514-190945-
Eastern Santa Clara Hills-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....58-63 except 63-70 above 2000 feet.
* 24 hr trend......Little change.
* Max humidity........35 percent except 25-30 percent above 2000
feet.
* 24 hr trend......15 percent drier.
* 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. Gusts up to 20 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* 24 hr trend......Little change.
* Min humidity........18-28 percent.
* 24 hr trend......5 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming southwest 5 to
10 mph in the afternoon.
* 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.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-62 except 63-69 above 2000 feet.
* Max humidity........35 percent except 25-30 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....89-94 except 85-90 above 2000 feet.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming west 5 to 10
mph in the afternoon.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. West winds 5 to 15 mph. Lows in the 50s to upper
60s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 70s to upper 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.
.SUNDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to upper 80s.
$$
CAZ529-190945-
Northern Monterey Bay-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Patchy fog after midnight.
* Min temperature.....53-58.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......South winds 5 to 10 mph shifting to the north
up to 5 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....71-79.
* 24 hr trend......Little change.
* Min humidity........55-65 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Min temperature.....53-58.
* Max humidity........90-100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny. Patchy fog early in the
morning.
* Max temperature.....71-79.
* Min humidity........60-70 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 5 to 15 mph. Lows in
the upper 50s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the mid to upper 50s. Highs in the 70s.
.SATURDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the mid 50s. Highs in the 60s to upper 70s.
.SUNDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph.
Lows in the 50s. Highs in the 60s to mid 70s.
$$
CAZ530-190945-
Southern Monterey Bay and Big Sur Coast-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........100 percent except Big Sur 60 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....64-69 except Big Sur 72-77.
* 24 hr trend......Little change.
* Min humidity........70 percent except Big Sur 50 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* Max humidity........100 percent except Big Sur 70 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....62-67 except Big Sur 72-77.
* Min humidity........80 percent except Big Sur 50 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 5 to 15 mph. Lows in
the 50s to mid 60s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the 60s to mid 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the mid 60s to lower 70s.
.SUNDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 60s to lower 70s.
$$
CAZ528-190945-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....74-82.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......40 percent drier.
* 20-foot winds.......West winds up to 5 mph increasing to 10 to 15
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....52-57.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....73-81.
* Min humidity........50-60 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Mostly cloudy. West winds 10 to 20 mph. Lows in
the 50s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
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.
.SUNDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s.
$$
CAZ516-190945-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........65-85 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5
to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* 24 hr trend......Little change.
* Min humidity........15-25 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Northwest winds up to 5 mph increasing to 10
to 15 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-59.
* Max humidity........70-90 percent.
* 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5
to 10 mph after midnight.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* Min humidity........28-38 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.THURSDAY NIGHT...Partly cloudy. Northwest winds 10 to 20 mph.
Lows in the 50s to lower 60s.
.FRIDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the mid 80s to lower 90s.
.SATURDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the 40s to upper 50s. Highs in the mid 80s to lower 90s.
.SUNDAY...Mostly clear. Patchy fog. Northwest winds 10 to 20 mph.
Lows in the 40s to upper 50s. Highs in the 80s to lower 90s.
$$
CAZ517-190945-
Santa Lucia Mountains and Los Padres National Forest-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....60-70 except 70-77 above 2000 feet.
* 24 hr trend......5 degrees warmer.
* Max humidity........43-53 percent.
* 24 hr trend......30 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 25
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* 24 hr trend......7 degrees cooler.
* Min humidity........20-30 percent.
* 24 hr trend......5 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 25 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....58-68 except 69-75 above 2000 feet.
* Max humidity........40-50 percent except 23-33 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 25
mph in the evening.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* Min humidity........28-38 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...
.THURSDAY NIGHT...Partly cloudy. Northwest winds 5 to 15 mph.
Lows in the 60s to lower 70s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
60s to lower 70s. Highs in the 70s to upper 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the 70s to mid 80s.
.SUNDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ518-190945-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
232 PM PDT Tue Aug 18 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....59-69.
* 24 hr trend......4 degrees warmer.
* Max humidity........50-60 percent.
* 24 hr trend......40 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 10 mph. Gusts up to 30
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* 24 hr trend......Little change.
* Min humidity........10-20 percent.
* 24 hr trend......5 percent drier.
* 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 30 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.WEDNESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....58-68.
* Max humidity........43-53 percent except 28-38 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 30
mph in the evening.
* CWR.................0%.
.THURSDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* Min humidity........23-33 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...
.THURSDAY NIGHT...Partly cloudy. West winds 5 to 15 mph. Lows in
the 60s to lower 70s.
.FRIDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 60s to lower 70s. Highs in the 70s to upper 80s.
.SATURDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the 50s to upper 60s. Highs in the upper 70s to mid 80s.
.SUNDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the upper 70s to mid 80s.
$$
NOAA`S NWS on the web at www.weather.gov/sanfrancisco