National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

NWS Sacramento Changes to Public and Fire Weather Zones Coming April 16, 2026

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Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

59°F

15°C

Humidity 18%
Wind Speed NNW 13 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 16 Apr 07:00 PM PDT
Extended Forecast for

20 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 47. Northwest wind 18 to 21 mph, with gusts as high as 39 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. North wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North wind 5 to 9 mph becoming west after midnight.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. East wind around 6 mph becoming west in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 47. Northwest wind 18 to 21 mph, with gusts as high as 39 mph.
Friday
Sunny, with a high near 69. North wind 10 to 16 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 52. North wind 5 to 9 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57. East wind around 6 mph becoming west in the evening.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 53.
Monday
A chance of rain. Partly sunny, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.38°N 121.28°W (Elev. 1401 ft)
Last Update:
2:21 pm PDT Apr 16, 2026
Forecast Valid:
7pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation