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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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed NNE 5 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill42°F (6°C)
Last update 07 Dec 08:35 AM PST
Extended Forecast for

2 Miles SSE Union City CA

Coastal Flood Advisory December 7, 08:49am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 08:49am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 43. Calm wind becoming northeast 5 to 7 mph after midnight.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 47.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Union City CA
 37.59°N 122.02°W (Elev. 164 ft)
Last Update:
2:33 am PST Dec 7, 2025
Forecast Valid:
8am PST Dec 7, 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