Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

55°F

13°C

Humidity 71%
Wind Speed W 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 08:30 PM PDT
Extended Forecast for

2 Miles WSW Union City CA

  • Tonight

    Tonight: A 20 percent chance of rain between 2am and 4am.  Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 63. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 48. West northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 48 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. West wind 6 to 11 mph becoming light west southwest  after midnight.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of rain between 2am and 4am. Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 63. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 48. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 63. Light west wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. West wind 6 to 11 mph becoming light west southwest after midnight.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Union City CA
 37.58°N 122.04°W (Elev. 121 ft)
6:36 pm PDT Apr 12, 2026
8pm PDT Apr 12, 2026-6pm PDT Apr 19, 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