Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

69°F

21°C

Humidity 40%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 21 Aug 04:00 AM PDT
Extended Forecast for

17 Miles ESE Mount Hamilton CA

  • Today

    Today: Partly sunny, with a high near 92. South southwest wind 3 to 7 mph.

    High: 92 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light west southwest wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

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

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 92. South southwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 60. Light west southwest wind.
Saturday
Sunny, with a high near 93. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. West southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Mount Hamilton CA
 37.24°N 121.36°W (Elev. 1171 ft)
2:00 am PDT Aug 21, 2026
5am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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