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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

72°F

22°C

Humidity 60%
Wind Speed W 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Jul 03:20 PM PDT
Extended Forecast for

2 Miles SSE Union City CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. Southwest wind 5 to 9 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 78. Light west southwest wind becoming west 5 to 9 mph in the morning.

    High: 78 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind 5 to 10 mph.
Wednesday
Sunny, with a high near 77. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Increasing clouds, with a low around 57. Southwest wind 5 to 9 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 78. Light west southwest wind becoming west 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Union City CA
 37.59°N 122.02°W (Elev. 164 ft)
Last Update:
1:26 pm PDT Jul 28, 2026
Forecast Valid:
3pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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