Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Overcast

63°F

17°C

Humidity 67%
Wind Speed SSW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 05:35 AM PDT
Extended Forecast for

Santa Clara CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. North northwest wind 6 to 11 mph becoming light north  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northwest wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Northwest wind 5 to 9 mph becoming light west southwest after midnight.
Monday
Sunny, with a high near 82. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.36°N 121.99°W (Elev. 66 ft)
1:26 am PDT Jun 20, 2026
5am PDT Jun 20, 2026-6pm PDT Jun 26, 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