Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

57°F

14°C

Humidity 80%
Wind Speed WNW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 May 10:54 PM PDT
Extended Forecast for

Union City CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A slight chance of drizzle between 8am and 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 64 °F

    Slight Chance
    Drizzle then
    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of drizzle after 2am.  Increasing clouds, with a low around 52. West southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle

  • Tuesday

    Tuesday: A slight chance of drizzle before 11am.  Cloudy through mid morning, then gradual clearing, with a high near 63. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 63 °F

    Slight Chance
    Drizzle then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West wind 11 to 16 mph becoming light west southwest  after midnight. Winds could gust as high as 26 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West wind 6 to 8 mph.
Memorial Day
A slight chance of drizzle between 8am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of drizzle after 2am. Increasing clouds, with a low around 52. West southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday
A slight chance of drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 63. West wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 49. West wind 11 to 16 mph becoming light west southwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122°W (Elev. 594 ft)
7:27 pm PDT May 24, 2026
11pm PDT May 24, 2026-6pm PDT May 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database