Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

light rain,mist

61°F

16°C

Humidity 93%
Wind Speed NW 10 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 04 Sep 12:20 AM PDT
Extended Forecast for

Santa Clara CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 1am and 2am.  Mostly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light.

    Low: 59 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 73. Light north northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Northwest wind 8 to 13 mph becoming light west  after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 1am and 2am. Mostly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light.
Friday
Partly sunny, then gradually becoming sunny, with a high near 73. Light north northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 56. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 76. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 61.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
11:21 pm PDT Sep 3, 2026
12am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database