Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

68°F

20°C

Humidity 68%
Wind Speed WNW 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Jul 12:20 PM PDT
Extended Forecast for

Union City CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. West northwest wind 7 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light west northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. West wind 5 to 9 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light west southwest wind becoming west 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. West northwest wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light west northwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 56. West wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 77. Light west southwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122.02°W (Elev. 184 ft)
11:39 am PDT Jul 13, 2025
12pm PDT Jul 13, 2025-6pm PDT Jul 19, 2025
 
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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