National Weather Service Forecast for: Campbell CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:44 pm PST Feb 1, 2026
 
Tonight

Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Calm wind.
Patchy Fog
 Monday

Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 69. North northwest wind 3 to 6 mph.
Patchy Fog
then Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 41. Calm wind.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 72. Light and variable wind.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 43. Calm wind.
Clear
 Wednesday

Wednesday: Sunny, with a high near 74.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 45.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 73.
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 46.
Mostly Cloudy
Lo 42 °F Hi 69 °F Lo 41 °F Hi 72 °F Lo 43 °F Hi 74 °F Lo 45 °F Hi 73 °F Lo 46 °F

 

Tonight
 
 Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Calm wind.
Monday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 69. North northwest wind 3 to 6 mph.
Monday Night
 
 Mostly clear, with a low around 41. Calm wind.
Tuesday
 
 Sunny, with a high near 72. Light and variable wind.
Tuesday Night
 
 Clear, with a low around 43. Calm wind.
Wednesday
 
 Sunny, with a high near 74.
Wednesday Night
 
 Mostly clear, with a low around 45.
Thursday
 
 Sunny, with a high near 73.
Thursday Night
 
 Mostly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 69.
Friday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 45.
Saturday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 68.
Saturday Night
 
 Partly cloudy, with a low around 45.
Sunday
 
 A slight chance of rain. Mostly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Campbell CA.