Current conditions at

Mt. Diablo (SJS02)

Lat: 37.881698°NLon: 121.914155°WElev: 3849.0ft.

NA

52°F

11°C

Humidity 15%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 21 Jan 03:40 PM PST
Extended Forecast for

4 Miles S Clayton CA

Frost Advisory January 22, 12:00am until January 22, 10:00am
Click here for hazard details and duration
Frost Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 59. North wind around 7 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. North northeast wind 7 to 9 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Northeast wind around 8 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow before 1pm, then a slight chance of rain.  Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Slight Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 59. North wind around 7 mph.
Tonight
Mostly clear, with a low around 36. North northeast wind 7 to 9 mph.
Wednesday
Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 38. Calm wind becoming north northeast 5 to 7 mph after midnight.
Thursday
Sunny, with a high near 63. Northeast wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Mostly sunny, with a high near 55. Breezy.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 56.
Sunday Night
Clear, with a low around 35.
Monday
Sunny, with a high near 58.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.95°W (Elev. 1509 ft)
12:26 pm PST Jan 21, 2025
2pm PST Jan 21, 2025-6pm PST Jan 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database