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Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

36°F

2°C

Humidity 77%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 20 Feb 03:00 AM PST
Extended Forecast for

14 Miles SW Keyes CA

Freeze Warning until February 20, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until February 20, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Overnight

    Low: 33 °F

    Areas Frost

  • Friday

    Friday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 51. Southeast wind 3 to 6 mph.

    High: 51 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: Patchy frost after 2am.  Otherwise, increasing clouds, with a low around 34. South southeast wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Southeast wind 6 to 10 mph.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. South wind 7 to 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of frost. Otherwise, partly cloudy, with a low around 33. Calm wind.
Friday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 51. Southeast wind 3 to 6 mph.
Friday Night
Patchy frost after 2am. Otherwise, increasing clouds, with a low around 34. South southeast wind 3 to 5 mph.
Saturday
Areas of frost before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 58. Southeast wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 40. South wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Rain likely, mainly after 4am. Cloudy, with a low around 53.
Tuesday
Rain likely. Cloudy, with a high near 59.
Tuesday Night
Rain likely. Cloudy, with a low around 53.
Wednesday
A chance of rain. Cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Keyes CA
 37.44°N 121.09°W (Elev. 105 ft)
1:21 am PST Feb 20, 2026
4am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database