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

NWS Sacramento Changes to Public and Fire Weather Zones Coming March 3rd

Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

43°F

6°C

Humidity 73%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 20 Feb 05:00 PM PST
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • Tonight

    Tonight: Widespread frost after 8pm. Otherwise, increasing clouds, with a low around 27. South wind 5 to 8 mph.

    Low: 27 °F

    Frost

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 51. South wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 51 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. South southeast wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. West wind around 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost after 8pm. Otherwise, increasing clouds, with a low around 27. South wind 5 to 8 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 51. South wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 33. South wind around 11 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 59. South southeast wind 11 to 16 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 39. West wind around 8 mph.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.
Monday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46.
Tuesday
Rain likely. Mostly cloudy, with a high near 57.
Tuesday Night
Rain likely. Cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 63.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Friday
A slight chance of rain. Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
Last Update:
1:21 pm PST Feb 20, 2026
Forecast Valid:
5pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation