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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

55°F

13°C

Humidity 28%
Wind Speed N 12 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 08 Jan 04:20 PM PST
Extended Forecast for

2 Miles ENE Union City CA

Cold Weather Advisory January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northeast wind 3 to 7 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Northeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. East northeast wind 3 to 5 mph.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 54. Northeast wind 3 to 5 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Light east northeast wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Northeast wind 3 to 7 mph.
Friday
Sunny, with a high near 52. Northeast wind around 6 mph.
Friday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. East northeast wind 3 to 5 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 54. Northeast wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 38. Light east northeast wind.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 594 ft)
Last Update:
12:26 pm PST Jan 8, 2026
Forecast Valid:
4pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation