Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

67°F

19°C

Humidity 25%
Wind Speed S 6 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 30 Aug 03:00 AM PDT
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a steady temperature around 55. West southwest wind around 6 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80. West southwest wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. Southwest wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West southwest wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 55. West southwest wind around 6 mph.
Sunday
Sunny, with a high near 80. West southwest wind 5 to 7 mph becoming east northeast in the afternoon.
Sunday Night
Clear, with a low around 52. Calm wind becoming south southwest around 6 mph in the evening.
Monday
Sunny, with a high near 76. Southwest wind 6 to 8 mph becoming east northeast in the afternoon.
Monday Night
Mostly clear, with a low around 46. West southwest wind around 7 mph.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
2:00 am PDT Aug 30, 2026
3am PDT Aug 30, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database