Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

63°F

17°C

Humidity 67%
Wind Speed SSW 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 06:35 AM PDT
Extended Forecast for

Union City CA

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 23 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light west southwest wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 72 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. West northwest wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 23 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 72. Light west southwest wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Increasing clouds, with a low around 55. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.59°N 122.02°W (Elev. 164 ft)
2:16 am PDT Jun 19, 2026
6am PDT Jun 19, 2026-6pm PDT Jun 25, 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