National Weather Service Forecast for: Fairfax CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 pm PDT Jun 29, 2026
 
Tonight

Tonight: Mostly clear, with a low around 53. West wind around 5 mph becoming calm  after midnight.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 75. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51. West wind around 6 mph becoming calm  after midnight.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. South southwest wind 5 to 8 mph.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 71.
Mostly Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 52.
Mostly Clear
Friday

Friday: Sunny, with a high near 77.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 53.
Mostly Clear
Lo 53 °F Hi 75 °F Lo 51 °F Hi 75 °F Lo 51 °F Hi 71 °F Lo 52 °F Hi 77 °F Lo 53 °F

 

Tonight
 
Mostly clear, with a low around 53. West wind around 5 mph becoming calm after midnight.
Tuesday
 
Sunny, with a high near 75. Calm wind becoming south southwest 5 to 8 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 51. West wind around 6 mph becoming calm after midnight.
Wednesday
 
Sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 51. South southwest wind 5 to 8 mph.
Thursday
 
Mostly sunny, with a high near 71.
Thursday Night
 
Mostly clear, with a low around 52.
Friday
 
Sunny, with a high near 77.
Friday Night
 
Mostly clear, with a low around 53.
Independence Day
 
Mostly sunny, with a high near 77.
Saturday Night
 
Mostly clear, with a low around 53.
Sunday
 
Mostly sunny, with a high near 73.
Sunday Night
 
Partly cloudy, with a low around 53.
Monday
 
Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Fairfax CA.