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

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Partly Cloudy

63°F

17°C

Humidity 77%
Wind Speed NNW 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 30 Jul 07:35 AM PDT
Extended Forecast for

Santa Clara CA

  • Today

    Today: Sunny, with a high near 84. Light north wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 18 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Light north wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 58. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 89. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
Last Update:
1:26 am PDT Jul 30, 2026
Forecast Valid:
7am PDT Jul 30, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation