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

53°F

12°C

Humidity 82%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 03 Mar 11:00 PM PST
Extended Forecast for

19 Miles ENE Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West southwest wind around 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 58. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 58 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. Northwest wind 18 to 21 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 38 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 46. Breezy, with a northwest wind around 25 mph, with gusts as high as 38 mph.

    Low: 46 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. West southwest wind around 8 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 58. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Clear, with a low around 43. Northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 56. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 38 mph.
Thursday Night
Clear, with a low around 46. Breezy, with a northwest wind around 25 mph, with gusts as high as 38 mph.
Friday
Sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 45. Breezy.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 70.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Mount Hamilton CA
 37.42°N 121.32°W (Elev. 2201 ft)
Last Update:
1:21 pm PST Mar 3, 2026
Forecast Valid:
11pm PST Mar 3, 2026-6pm PDT Mar 10, 2026
 
Forecast Discussion
 
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