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.

Clear

48°F

9°C

Humidity 82%
Wind Speed NE 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 06 Dec 05:54 PM PST
Extended Forecast for

2 Miles S Union City CA

Coastal Flood Advisory December 6, 06:10pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 6, 06:10pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog between midnight and 1am. Otherwise, mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog between 7am and 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Light northwest wind.
Sunday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog between midnight and 1am. Otherwise, mostly clear, with a low around 44. Light and variable wind.
Monday
Areas of fog between 7am and 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Light and variable wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63.
Tuesday Night
Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 47.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 48.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 46.
Friday
Patchy fog. Otherwise, sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 46.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Union City CA
 37.56°N 122.01°W (Elev. 115 ft)
Last Update:
12:26 pm PST Dec 6, 2025
Forecast Valid:
6pm PST Dec 6, 2025-6pm PST Dec 13, 2025
 
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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