Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas 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 83%
Wind Speed N 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 02:53 AM PDT
Extended Forecast for

Santa Clara CA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Northwest wind 5 to 10 mph becoming light west  in the evening. Winds could gust as high as 18 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

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

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 83. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Clear, with a low around 58. Northwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
1:26 am PDT Jul 29, 2026
3am PDT Jul 29, 2026-6pm PDT Aug 4, 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