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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed WNW 8 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Aug 10:35 PM PDT
Extended Forecast for

Livermore CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 5 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 58. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. West southwest wind 5 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 86. West wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Increasing clouds, with a low around 58. Southwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 58. West southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Livermore CA
 37.7°N 121.76°W (Elev. 564 ft)
Last Update:
8:22 pm PDT Aug 21, 2026
Forecast Valid:
10pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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