National Weather Service Forecast for: Sunnyvale CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:31 pm PDT Jun 9, 2025
 
Tonight

Tonight: Patchy drizzle after 1am.  Partly cloudy, with a low around 56. North wind around 5 mph.
Patchy
Drizzle
Tuesday

Tuesday: Patchy drizzle before 8am.  Sunny, with a high near 77. Light north wind increasing to 9 to 14 mph in the morning.
Patchy
Drizzle then
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53. North wind 5 to 11 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 76. North wind 5 to 14 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 52. North wind 8 to 13 mph becoming light north northeast  after midnight.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 77.
Sunny

Thursday
Night
Thursday Night: Clear, with a low around 53.
Clear

Friday

Friday: Sunny, with a high near 74.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 52.
Mostly Clear

Lo 56 °F Hi 77 °F Lo 53 °F Hi 76 °F Lo 52 °F Hi 77 °F Lo 53 °F Hi 74 °F Lo 52 °F

 

Tonight
 
Patchy drizzle after 1am. Partly cloudy, with a low around 56. North wind around 5 mph.
Tuesday
 
Patchy drizzle before 8am. Sunny, with a high near 77. Light north wind increasing to 9 to 14 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 53. North wind 5 to 11 mph.
Wednesday
 
Sunny, with a high near 76. North wind 5 to 14 mph.
Wednesday Night
 
Mostly clear, with a low around 52. North wind 8 to 13 mph becoming light north northeast after midnight.
Thursday
 
Sunny, with a high near 77.
Thursday Night
 
Clear, with a low around 53.
Friday
 
Sunny, with a high near 74.
Friday Night
 
Mostly clear, with a low around 52.
Saturday
 
Mostly sunny, with a high near 75.
Saturday Night
 
Mostly clear, with a low around 51.
Sunday
 
Sunny, with a high near 78.
Sunday Night
 
Mostly clear, with a low around 51.
Monday
 
Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Sunnyvale CA.