Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

59°F

15°C

Humidity 28%
Wind Speed NW 12 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 14 Mar 01:25 AM PDT
Extended Forecast for

2 Miles S Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West southwest wind 7 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. West wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Southwest wind around 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 78. Southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 54. West southwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 83. West wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 58. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
1:28 am PDT Mar 14, 2026
2am PDT Mar 14, 2026-6pm PDT Mar 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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