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

38°F

3°C

Humidity 100%
Wind Speed SSE 15 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 16 Feb 01:35 AM PST
Extended Forecast for

2 Miles S Clayton CA

  • Overnight

    Overnight: Rain. Low around 48. South southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain, mainly before 5pm. High near 51. North northeast wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before 9pm, then a chance of rain after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly before 10am, then showers and possibly a thunderstorm after 10am. High near 50. Breezy, with a southwest wind 21 to 26 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: 50 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Low around 39. West southwest wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • 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. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Low around 48. South southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Rain, mainly before 5pm. High near 51. North northeast wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
A chance of rain before 9pm, then a chance of rain after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, mainly before 10am, then showers and possibly a thunderstorm after 10am. High near 50. Breezy, with a southwest wind 21 to 26 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 before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Low around 39. West southwest wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
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. Low around 41. Chance of precipitation is 80%.
Thursday
Rain. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Partly sunny, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 56.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 61.
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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:
1:55 am PST Feb 16, 2026
Forecast Valid:
1am PST Feb 16, 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