Fire Weather Conditions Persist in the Southern Plains; Heavy Rain and Mountain Snow in the Pacific Northwest

A Pacific system will continue to bring moderate to heavy low elevation rain from northern California to western Washington, and heavy snow to the Cascades and Intermountain West over the next several days. Elevated to critical fire weather conditions will persist across the southern Rockies and Southern Plains through Wednesday as gusty winds and dry conditions continue across the region. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

N/A

Humidity 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Feb 03:25 AM PST
Extended Forecast for

4 Miles S Clayton CA

  • Tonight

    Tonight: Rain likely, mainly before 2am.  Mostly cloudy, with a low around 52. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Wednesday

    Wednesday: Partly sunny, with a steady temperature around 55. West southwest wind around 7 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. North wind around 7 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming west southwest after midnight.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly before 2am. Mostly cloudy, with a low around 52. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a steady temperature around 55. West southwest wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 62. North wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming west southwest after midnight.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 58.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
1:26 pm PST Feb 24, 2026
9pm PST Feb 24, 2026-6pm PST Mar 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database