National Weather Service Forecast for: Campbell CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 6, 2026
 
Tonight

Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53. West northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.
Partly Cloudy
then Patchy
Fog
 Thursday

Thursday: A 20 percent chance of rain after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 74.
Slight Chance
Rain and
Areas Fog
 Thursday
Night
Thursday Night: A 30 percent chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52.
Chance Rain
and Patchy
Fog
 Friday

Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72.
Showers
Likely and
Patchy Fog
 Friday
Night
Friday Night: A chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50.
Chance Rain
and Patchy
Fog
Lo 45 °F Hi 76 °F Lo 49 °F Hi 78 °F Lo 53 °F Hi 74 °F Lo 52 °F Hi 72 °F Lo 50 °F

 

Tonight
 
 Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
 Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53. West northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 18 mph.
Thursday
 
 A 20 percent chance of rain after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 74.
Thursday Night
 
 A 30 percent chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52.
Friday
 
 Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72.
Friday Night
 
 A chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50.
Saturday
 
 A chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 69.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 46.
Sunday
 
 A chance of rain. Mostly sunny, with a high near 65.
Sunday Night
 
 Partly cloudy, with a low around 44.
Monday
 
 Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Campbell CA.