Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

63°F

17°C

Humidity 17%
Wind Speed NNE 16 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 17 Apr 09:10 AM PDT
Extended Forecast for

3 Miles SE Union City CA

  • Today

    Today: Sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
2:27 am PDT Apr 17, 2026
9am PDT Apr 17, 2026-6pm PDT Apr 23, 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