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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

70°F

21°C

Humidity 20%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 21 Mar 08:25 AM PDT
Extended Forecast for

8 Miles N Livermore Municipal CA

  • Today

    Today: Mostly sunny, with a high near 76. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. West northwest wind around 9 mph, with gusts as high as 18 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 55. West southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 73. West northwest wind around 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 50. Southwest wind around 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 70. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Livermore Municipal CA
 37.82°N 121.82°W (Elev. 1736 ft)
Last Update:
2:22 am PDT Mar 21, 2026
Forecast Valid:
9am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation