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 / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

81°F

27°C

Humidity 44%
Wind Speed NW 11 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Jul 05:50 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 56. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. West wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 56. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 59. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 87.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 85.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
1:26 pm PDT Jul 28, 2026
6pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database