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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. 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

  • Juneteenth

    Juneteenth: Sunny, with a steady temperature around 61. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 64. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 64 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Juneteenth
Sunny, with a steady temperature around 61. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tonight
Increasing clouds, with a low around 57. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 64. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 69. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 74.
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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:
2:16 am PDT Jun 19, 2026
Forecast Valid:
8am PDT Jun 19, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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