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

Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Clear

59°F

15°C

Humidity 82%
Wind Speed NNE 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 08 Aug 05:35 AM PDT
Extended Forecast for

Union City CA

  • Today

    Today: Sunny, with a high near 85. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northwest wind 5 to 10 mph becoming light.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light west northwest wind increasing to 6 to 11 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West northwest wind 5 to 13 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light west northwest wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. Northwest wind 5 to 10 mph becoming light.
Saturday
Sunny, with a high near 84. Light west northwest wind increasing to 6 to 11 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. West northwest wind 5 to 13 mph.
Sunday
Sunny, with a high near 82. Light west northwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.58°N 122.04°W (Elev. 121 ft)
Last Update:
1:26 am PDT Aug 8, 2025
Forecast Valid:
5am PDT Aug 8, 2025-6pm PDT Aug 14, 2025
 
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