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

Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

64°F

18°C

Humidity 59%
Wind Speed W 16 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 May 04:35 PM PDT
Extended Forecast for

Union City CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind 12 to 17 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 52. West wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West wind 5 to 10 mph becoming light west southwest after midnight.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West wind 12 to 17 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 52. West wind 5 to 8 mph becoming calm in the evening.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 53. West wind 5 to 10 mph becoming light west southwest after midnight.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122.02°W (Elev. 184 ft)
Last Update:
1:26 pm PDT May 26, 2026
Forecast Valid:
4pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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