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

Areas of Severe Thunderstorms and Excessive Rainfall Thursday

Severe thunderstorms posing a risk for strong gusts and/or large hail are possible across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic Thursday afternoon and evening. Excessive rainfall may bring flash and urban flooding over the Mid-Mississippi and Ohio Valleys, and Mid-Atlantic on Thursday. 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 28%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 17 May 05:05 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Southwest wind 6 to 10 mph becoming north in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 75. Southwest wind 6 to 10 mph becoming north in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 58. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 69. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
Last Update:
1:25 pm PDT Jul 8, 2026
Forecast Valid:
6pm PDT Jul 8, 2026-6pm PDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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