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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Clear

60°F

16°C

Humidity 83%
Wind Speed NW 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 09:53 PM PDT
Extended Forecast for

Livermore CA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. West southwest wind 3 to 7 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 79. West wind 3 to 7 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. West southwest wind 5 to 8 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 57. West southwest wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 79. West wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 55. West southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Livermore CA
 37.69°N 121.79°W (Elev. 453 ft)
Last Update:
1:26 pm PDT Sep 18, 2026
Forecast Valid:
10pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation