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

Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. 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 SSW Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

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

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 80. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 79. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 58. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 58.
Juneteenth
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Clayton CA
 37.91°N 121.96°W (Elev. 1299 ft)
Last Update:
1:26 am PDT Jun 16, 2026
Forecast Valid:
2am PDT Jun 16, 2026-6pm PDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation