Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

64°F

18°C

Humidity 24%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 29 Mar 11:05 PM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. West wind around 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. West southwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 56. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 51. West southwest wind 11 to 15 mph, with gusts as high as 26 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 55. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 11am.  Sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. West wind around 9 mph.
Monday
Partly sunny, with a high near 71. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 52. West southwest wind around 14 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51. West southwest wind 11 to 15 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain before 11am. Sunny, with a high near 55.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
11:26 pm PDT Mar 29, 2026
12am PDT Mar 30, 2026-6pm PDT Apr 5, 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