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 >

Hazardous Weather Conditions

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Clear

54°F

12°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 06:53 AM PDT
Extended Forecast for

2 Miles SE Pleasanton CA

Heat Advisory March 20, 07:05am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 07:05am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light southwest wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. West wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Light southwest wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 49. West wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 81. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Pleasanton CA
 37.66°N 121.86°W (Elev. 440 ft)
Last Update:
2:22 am PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation