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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Overcast

61°F

16°C

Humidity 72%
Wind Speed W 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 03:30 AM PDT
Extended Forecast for

4 Miles E Union City CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 58. West wind around 6 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 70. West southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 53. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 74 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

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

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 58. West wind around 6 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 70. West southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Increasing clouds, with a low around 53. West wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 54. West wind 7 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
Last Update:
1:26 am PDT Jun 20, 2026
Forecast Valid:
3am PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation