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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. 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 NW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Jul 11:20 PM PDT
Extended Forecast for

5 Miles E Union City CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. West southwest wind around 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 71 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

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

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. West southwest wind around 10 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Increasing clouds, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West wind 9 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 54. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Union City CA
 37.58°N 121.93°W (Elev. 1017 ft)
Last Update:
11:26 pm PDT Jul 25, 2026
Forecast Valid:
11pm PDT Jul 25, 2026-6pm PDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation