National Weather Service Forecast for: Santa Clara CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 12:31 am PDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 57. South wind around 5 mph becoming calm.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 56. Northwest wind 6 to 8 mph becoming southeast in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 78. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 55. West wind 6 to 8 mph becoming south after midnight.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 76.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 55.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 80.
Mostly Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 57 °F Hi 82 °F Lo 56 °F Hi 78 °F Lo 55 °F Hi 76 °F Lo 55 °F Hi 80 °F Lo 57 °F

 

Overnight
 
Mostly clear, with a low around 57. South wind around 5 mph becoming calm.
Tuesday
 
Sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 56. Northwest wind 6 to 8 mph becoming southeast in the evening.
Wednesday
 
Sunny, with a high near 78. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 55. West wind 6 to 8 mph becoming south after midnight.
Thursday
 
Mostly sunny, with a high near 76.
Thursday Night
 
Partly cloudy, with a low around 55.
Friday
 
Mostly sunny, with a high near 80.
Friday Night
 
Mostly clear, with a low around 57.
Independence Day
 
Mostly sunny, with a high near 82.
Saturday Night
 
Mostly clear, with a low around 57.
Sunday
 
Mostly sunny, with a high near 80.
Sunday Night
 
Partly cloudy, with a low around 57.
Monday
 
Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Santa Clara CA.