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

DIABLO GRANDE (DBLC1)

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

NA

62°F

17°C

Humidity 51%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 11 Nov 08:00 PM PST
Extended Forecast for

19 Miles ENE Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 54. Light southwest wind.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 69. South wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 69 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind around 6 mph becoming south after midnight.

    Low: 54 °F

    Decreasing
    Clouds

  • Friday

    Friday: Rain likely after 10am. Mostly cloudy, with a high near 56. South wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southwest wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely after 4pm. Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

Tonight
Clear, with a low around 54. Light southwest wind.
Thursday
Increasing clouds, with a high near 69. South wind 7 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind around 6 mph becoming south after midnight.
Friday
Rain likely after 10am. Mostly cloudy, with a high near 56. South wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47. Southwest wind 3 to 6 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Rain likely after 4pm. Partly sunny, with a high near 56.
Sunday Night
Rain. Mostly cloudy, with a low around 47.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 50.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:00 pm PST Nov 11, 2026
Forecast Valid:
8pm PST Nov 11, 2026-6pm PST Nov 18, 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