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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Partly Cloudy

66°F

19°C

Humidity 72%
Wind Speed W 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 11:35 AM PDT
Extended Forecast for

3 Miles SSE Union City CA

  • Today

    Today: Mostly sunny, with a high near 77. West northwest wind 6 to 14 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. West northwest wind 5 to 10 mph becoming light northwest after midnight.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 82. Light northwest wind becoming west northwest 8 to 13 mph in the morning.

    High: 82 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 62. West northwest wind 6 to 11 mph becoming light north.

    Low: 62 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. West northwest wind 6 to 14 mph.
Tonight
Partly cloudy, with a low around 60. West northwest wind 5 to 10 mph becoming light northwest after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 82. Light northwest wind becoming west northwest 8 to 13 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 62. West northwest wind 6 to 11 mph becoming light north.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Union City CA
 37.56°N 122.01°W (Elev. 115 ft)
Last Update:
11:27 am PDT Aug 25, 2026
Forecast Valid:
11am PDT Aug 25, 2026-6pm PDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation