National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

haze

54°F

12°C

Humidity 76%
Wind Speed WNW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Last update 06 Dec 04:00 PM PST
Extended Forecast for

3 Miles SE Union City CA

Coastal Flood Advisory December 6, 04:20pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 6, 04:20pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Calm wind becoming northeast around 6 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Light north northeast wind.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. Calm wind becoming northeast around 6 mph after midnight.
Monday
Mostly sunny, with a high near 62. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.96°W (Elev. 367 ft)
Last Update:
12:26 pm PST Dec 6, 2025
Forecast Valid:
4pm PST Dec 6, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation