National Weather Service Forecast for: Campbell CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:54 pm PST Dec 22, 2025
 
Tonight

Tonight: A 30 percent chance of rain. Cloudy, with a low around 51. Calm wind becoming south around 5 mph after midnight.
Chance Rain

 Tuesday

Tuesday: Rain likely, mainly after 4pm. Cloudy, with a high near 63. South southeast wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely

 Tuesday
Night
Tuesday Night: Rain. Low around 50. Breezy, with a south southeast wind 20 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 60. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain then
Severe
T-Storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 50. South southeast wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Severe
T-Storms
then Showers
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 100%.
Showers

 Friday

Friday: Rain. Cloudy, with a high near 55.
Rain

 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Rain Likely
Lo 51 °F Hi 63 °F Lo 50 °F Hi 60 °F Lo 50 °F Hi 56 °F Lo 45 °F Hi 55 °F Lo 41 °F

Flood Watch
Wind Advisory
 

Tonight
 
 A 30 percent chance of rain. Cloudy, with a low around 51. Calm wind becoming south around 5 mph after midnight.
Tuesday
 
 Rain likely, mainly after 4pm. Cloudy, with a high near 63. South southeast wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Rain. Low around 50. Breezy, with a south southeast wind 20 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 60. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 50. South southeast wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 100%.
Friday
 
 Rain. Cloudy, with a high near 55.
Friday Night
 
 Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Saturday
 
 Mostly sunny, with a high near 56.
Saturday Night
 
 Patchy frost. Otherwise, mostly clear, with a low around 37.
Sunday
 
 Patchy frost. Otherwise, sunny, with a high near 57.
Sunday Night
 
 Mostly clear, with a low around 38.
Monday
 
 Sunny, with a high near 58.

 

Forecast from NOAA-NWS for Campbell CA.