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

59°F

15°C

Humidity 64%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 12 Nov 08:00 PM PST
Extended Forecast for

19 Miles ENE Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South southwest wind 5 to 9 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Rain, mainly between 11am and 3pm. Temperature falling to around 50 by 5pm. Breezy, with a south wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F⇓

    Rain Likely
    and Breezy
    then Rain

  • Friday Night

    Friday Night: A chance of rain between 7pm and 9pm. Partly cloudy, with a low around 46. Light southwest wind. Chance of precipitation is 30%.

    Low: 46 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely after 4pm. Partly sunny, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Rain

  • Monday

    Monday: A chance of rain, mainly before 4pm. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. South southwest wind 5 to 9 mph.
Friday
Rain, mainly between 11am and 3pm. Temperature falling to around 50 by 5pm. Breezy, with a south wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain between 7pm and 9pm. Partly cloudy, with a low around 46. Light southwest wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 59. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Calm wind.
Sunday
Rain likely after 4pm. Partly sunny, with a high near 59. Chance of precipitation is 60%.
Sunday Night
Rain. Low around 49. Chance of precipitation is 90%.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 52.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 54.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Partly sunny, with a high near 51.
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
 37.45°N 121.32°W (Elev. 1650 ft)
Last Update:
1:00 pm PST Nov 12, 2026
Forecast Valid:
8pm PST Nov 12, 2026-6pm PST Nov 19, 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