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

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 85%
Wind Speed E 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill42°F (6°C)
Last update 01 Dec 04:54 AM PST
Extended Forecast for

Union City CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Today

    Today: Sunny, with a high near 55. East northeast wind 5 to 7 mph becoming light and variable.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. East northeast wind 3 to 6 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 63 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Calm wind becoming northeast around 6 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North northeast wind 5 to 9 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 55. East northeast wind 5 to 7 mph becoming light and variable.
Tonight
Increasing clouds, with a low around 44. East northeast wind 3 to 6 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. Calm wind becoming northeast around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 61. North northeast wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122.02°W (Elev. 184 ft)
Last Update:
1:11 am PST Dec 1, 2025
Forecast Valid:
5am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

Radar & Satellite Image

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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