Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Partly Cloudy

64°F

18°C

Humidity 77%
Wind Speed W 10 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 19 Aug 10:20 AM PDT
Extended Forecast for

2 Miles SSE Union City CA

  • Today

    Today: Sunny, with a high near 80. Light west wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West northwest wind 3 to 8 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Light west wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 76 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. West southwest wind 6 to 9 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 74. West southwest wind 5 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Light west wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 60. West northwest wind 3 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Light west wind becoming west northwest 5 to 9 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 60. West southwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 74. West southwest wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
2:31 am PDT Aug 19, 2026
10am PDT Aug 19, 2026-6pm PDT Aug 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