Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

41°F

5°C

Humidity 98%
Wind Speed W 11 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 02 Mar 02:25 AM PST
Extended Forecast for

3 Miles ESE Danville CA

  • Today

    Today: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 45. Light northwest wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.

    High: 66 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. West southwest wind around 6 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 45. Light northwest wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 46. West southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 65. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Danville CA
 37.8°N 121.96°W (Elev. 604 ft)
2:17 am PST Mar 2, 2026
5am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database