Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Clear

61°F

16°C

Humidity 67%
Wind Speed NW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 05 Sep 12:35 AM PDT
Extended Forecast for

Campbell CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. West wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. North wind 5 to 10 mph becoming light north northwest  after midnight.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 56. West wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 79. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 56. North wind 5 to 10 mph becoming light north northwest after midnight.
Sunday
Sunny, with a high near 77. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.
Labor Day
Sunny, with a high near 85.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 63.
Wednesday
A slight chance of rain before 11am. Partly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Campbell CA
 37.28°N 121.94°W (Elev. 203 ft)
12:47 am PDT Sep 5, 2026
12am PDT Sep 5, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database