Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

63°F

17°C

Humidity 47%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 10 Oct 08:00 PM PDT
Extended Forecast for

13 Miles ESE Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 43. West wind 5 to 8 mph.

    Low: 43 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West northwest wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain between 2am and 4am.  Increasing clouds, with a low around 43. Southwest wind 3 to 8 mph.  Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 43. West wind 5 to 8 mph.
Sunday
Sunny, with a high near 67. West northwest wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A slight chance of rain between 2am and 4am. Increasing clouds, with a low around 43. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Columbus Day
Mostly sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Mount Hamilton CA
 37.3°N 121.4°W (Elev. 2087 ft)
2:01 pm PDT Oct 10, 2026
8pm PDT Oct 10, 2026-6pm PDT Oct 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database