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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. 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

2 Miles S Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West southwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 82. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 58. West southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 79. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 58. West southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Juneteenth
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
1:39 pm PDT Jun 16, 2026
Forecast Valid:
8pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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