National Weather Service Forecast for: San Martin CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jul 25, 2025
 
Tonight

Tonight: Increasing clouds, with a low around 56. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Increasing
Clouds
Saturday

Saturday: Cloudy through mid morning, then gradual clearing, with a high near 79. South wind 5 to 9 mph.
Becoming
Sunny
Saturday
Night
Saturday Night: Increasing clouds, with a low around 55. Southwest wind 5 to 9 mph becoming light west  after midnight.
Increasing
Clouds
Sunday

Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.
Becoming
Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming calm  after midnight.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 87.
Mostly Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 54.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 86.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 54.
Partly Cloudy
Lo 56 °F Hi 79 °F Lo 55 °F Hi 82 °F Lo 54 °F Hi 87 °F Lo 54 °F Hi 86 °F Lo 54 °F

 

Tonight
 
Increasing clouds, with a low around 56. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
 
Cloudy through mid morning, then gradual clearing, with a high near 79. South wind 5 to 9 mph.
Saturday Night
 
Increasing clouds, with a low around 55. Southwest wind 5 to 9 mph becoming light west after midnight.
Sunday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming calm after midnight.
Monday
 
Mostly sunny, with a high near 87.
Monday Night
 
Mostly clear, with a low around 54.
Tuesday
 
Mostly sunny, with a high near 86.
Tuesday Night
 
Partly cloudy, with a low around 54.
Wednesday
 
Mostly sunny, with a high near 82.
Wednesday Night
 
Partly cloudy, with a low around 56.
Thursday
 
Mostly sunny, with a high near 84.
Thursday Night
 
Partly cloudy, with a low around 56.
Friday
 
Patchy fog. Otherwise, mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for San Martin CA.