Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. 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

2 Miles S Clayton CA

  • Today

    Today: Rain, mainly after 1pm.  High near 65. South southwest wind 8 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 2am.  Mostly cloudy, with a low around 56. South southwest wind 6 to 9 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. West northwest wind around 6 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. West northwest wind around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. North wind 3 to 6 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 4pm.  Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Rain, mainly after 1pm. High near 65. South southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 40 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 56. South southwest wind 6 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 67. West northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 52. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 69. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A slight chance of rain after 4pm. Partly sunny, with a high near 70.
Saturday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 53.
Sunday
A slight chance of rain. Partly sunny, with a high near 66.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
5:12 am PST Feb 24, 2026
6am PST Feb 24, 2026-6pm PST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database