Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

67°F

19°C

Humidity 65%
Wind Speed NNW 6 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 12:54 PM PDT
Extended Forecast for

Union City CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Northwest wind 5 to 10 mph becoming light  after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light west northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 77 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. West northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 55. Northwest wind 5 to 10 mph becoming light after midnight.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light west northwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 56. West northwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.59°N 122.02°W (Elev. 164 ft)
11:26 am PDT Jun 21, 2026
1pm PDT Jun 21, 2026-6pm PDT Jun 27, 2026
 
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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