National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Partly Cloudy

61°F

16°C

Humidity 86%
Wind Speed NNW 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Aug 04:53 AM PDT
Extended Forecast for

Santa Clara CA

  • Today

    Today: Sunny, with a high near 83. Light west northwest wind becoming north northwest 6 to 11 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 82. Light west northwest wind becoming north northwest 6 to 11 mph in the afternoon.

    High: 82 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. West northwest wind 5 to 9 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light west northwest wind becoming north northwest 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Increasing clouds, with a high near 82. Light west northwest wind becoming north northwest 6 to 11 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 63. West northwest wind 5 to 9 mph.
Friday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.37°N 121.96°W (Elev. 49 ft)
Last Update:
2:52 am PDT Aug 26, 2026
Forecast Valid:
5am PDT Aug 26, 2026-6pm PDT Sep 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation