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Severe Weather and Heavy Rain in the Southeast; Late-Season Snowstorm in the Central Rockies

Severe thunderstorms across Texas to the southern Appalachians pose risks of damaging winds, large hail, a couple of tornadoes, and potential flooding through Wednesday. A late-season snowstorm will continue to produce heavy snow over parts of the central Rockies, possibly resulting in travel disruptions, downed trees, and power outages. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

47°F

8°C

Humidity 98%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 05 May 05:10 PM PDT
Extended Forecast for

3 Miles S Clayton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 67. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. West wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. West southwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 67. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 68. West wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 50. West southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
Last Update:
1:26 pm PDT May 5, 2026
Forecast Valid:
6pm PDT May 5, 2026-6pm PDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

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