National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

42°F

6°C

Humidity 99%
Wind Speed SSE 16 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 15 Feb 05:50 PM PST
Extended Forecast for

2 Miles S Clayton CA

  • Tonight

    Tonight: Rain. Low around 48. South southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain. Steady temperature around 49. East wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 49 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly after 4am. Low around 44. West southwest wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 39. West southwest wind 14 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Partly sunny, with a high near 51.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Low around 48. South southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. Steady temperature around 49. East wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain, mainly after 4am. Low around 44. West southwest wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 39. West southwest wind 14 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
12:27 pm PST Feb 15, 2026
Forecast Valid:
6pm PST Feb 15, 2026-6pm PST Feb 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation