Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

66°F

19°C

Humidity 29%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 23 Mar 01:30 PM PDT
Extended Forecast for

2 Miles S Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West wind around 11 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. West wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 56. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 81. West wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 54. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 77. West wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
1:41 pm PDT Mar 23, 2026
2pm PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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