National Weather Service Forecast for: Campbell CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 12:28 pm PST Dec 16, 2025
 
Tonight

Tonight: A 30 percent chance of rain, mainly after 4am.  Patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 52. Calm wind.
Chance Rain
and Patchy
Fog
Wednesday

Wednesday: A 50 percent chance of rain before 10am.  Areas of fog before noon.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming north northwest around 6 mph in the afternoon.
Chance Rain
and Areas Fog
then Mostly
Sunny
Wednesday
Night
Wednesday Night: Patchy fog before 7pm, then patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 46. Light northwest wind.
Patchy Fog

Thursday

Thursday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 65. Light and variable wind.
Patchy Fog
then Mostly
Sunny
Thursday
Night
Thursday Night: A slight chance of rain between 10pm and 4am.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 49. Calm wind.  Chance of precipitation is 20%.
Slight Chance
Rain and
Patchy Fog
Friday

Friday: A 20 percent chance of rain after 10am.  Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 64.
Slight Chance
Rain and
Areas Fog
Friday
Night
Friday Night: A 50 percent chance of rain.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 51.
Chance Rain
and Patchy
Fog
Saturday

Saturday: Rain likely, mainly after 10am.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 64.
Rain Likely
and Patchy
Fog
Saturday
Night
Saturday Night: Rain likely.  Cloudy, with a low around 54.
Rain Likely

Lo 52 °F Hi 66 °F Lo 46 °F Hi 65 °F Lo 49 °F Hi 64 °F Lo 51 °F Hi 64 °F Lo 54 °F

 

Tonight
 
A 30 percent chance of rain, mainly after 4am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Wednesday
 
A 50 percent chance of rain before 10am. Areas of fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
 
Patchy fog before 7pm, then patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 46. Light northwest wind.
Thursday
 
Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind.
Thursday Night
 
A slight chance of rain between 10pm and 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 20%.
Friday
 
A 20 percent chance of rain after 10am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 64.
Friday Night
 
A 50 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 51.
Saturday
 
Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 64.
Saturday Night
 
Rain likely. Cloudy, with a low around 54.
Sunday
 
Rain likely. Cloudy, with a high near 63.
Sunday Night
 
Rain likely. Cloudy, with a low around 52.
Monday
 
A chance of rain. Cloudy, with a high near 61.
Monday Night
 
A chance of rain. Cloudy, with a low around 50.
Tuesday
 
Rain likely. Cloudy, with a high near 61.

 

Forecast from NOAA-NWS for Campbell CA.