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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. 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 51. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. West southwest wind around 14 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. West southwest wind 14 to 16 mph, with gusts as high as 32 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West southwest wind 15 to 17 mph, with gusts as high as 36 mph.

    Low: 49 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 66. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 50. West southwest wind around 14 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 62. West southwest wind 14 to 16 mph, with gusts as high as 32 mph.
Sunday Night
Mostly clear, with a low around 49. West southwest wind 15 to 17 mph, with gusts as high as 36 mph.
Memorial Day
Sunny, with a high near 62. Breezy.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 75.
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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:
1:26 pm PDT May 22, 2026
Forecast Valid:
4pm PDT May 22, 2026-6pm PDT May 29, 2026
 
Forecast Discussion
 
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