Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

73°F

23°C

Humidity 15%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 19 Mar 05:35 PM PDT
Extended Forecast for

8 Miles NNE Livermore Municipal CA

Heat Advisory March 19, 08:19pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 08:19pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 68 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. West northwest wind around 6 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Southwest wind 6 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80. West southwest wind around 8 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 68. Northwest wind around 6 mph.
Friday
Sunny, with a high near 86. West northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 65. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 80. West southwest wind around 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 58. West southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Livermore Municipal CA
 37.83°N 121.79°W (Elev. 2001 ft)
2:37 pm PDT Mar 19, 2026
8pm PDT Mar 19, 2026-6pm PDT Mar 26, 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