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 6, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 84. South wind 6 to 8 mph.
Sunny

 Tonight

Tonight: Increasing clouds, with a low around 52. South southeast wind 5 to 7 mph becoming calm in the evening.
Increasing
Clouds
 Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Becoming
Sunny
 Monday
Night
Monday Night: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 52. South southwest wind 5 to 8 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53.
Mostly Clear
then Patchy
Fog
 Wednesday

Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 55.
Clear

 Thursday

Thursday: Sunny, with a high near 94.
Sunny
Hi 84 °F Lo 52 °F Hi 81 °F Lo 52 °F Hi 83 °F Lo 53 °F Hi 91 °F Lo 55 °F Hi 94 °F

 

This Afternoon
 
 Sunny, with a high near 84. South wind 6 to 8 mph.
Tonight
 
 Increasing clouds, with a low around 52. South southeast wind 5 to 7 mph becoming calm in the evening.
Monday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
 
 Patchy fog after 3am. Otherwise, increasing clouds, with a low around 52. South southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53.
Wednesday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91.
Wednesday Night
 
 Clear, with a low around 55.
Thursday
 
 Sunny, with a high near 94.
Thursday Night
 
 Mostly clear, with a low around 56.
Friday
 
 Sunny, with a high near 90.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for San Martin CA.