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.

Partly Cloudy

61°F

16°C

Humidity 63%
Wind Speed W 13 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 May 07:00 PM PDT
Extended Forecast for

Union City CA

  • Tonight

    Tonight: A chance of drizzle, mainly between midnight and 4am.  Mostly cloudy, with a low around 52. West wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Slight Chance
    Drizzle then
    Chance
    Drizzle

  • Tuesday

    Tuesday: A slight chance of drizzle before 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 62 °F

    Slight Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 49. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Light south southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of drizzle, mainly between midnight and 4am. Mostly cloudy, with a low around 52. West wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday
A slight chance of drizzle before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 49. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Light south southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 51. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122°W (Elev. 594 ft)
1:31 pm PDT May 25, 2026
7pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database