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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

50°F

10°C

Humidity 81%
Wind Speed NE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill48°F (9°C)
Last update 26 Jan 10:00 PM PST
Extended Forecast for

Union City CA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light east southeast wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Light east southeast wind.
Tuesday
Increasing clouds, with a high near 61. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44. Light and variable wind.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
A slight chance of rain. Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122°W (Elev. 594 ft)
Last Update:
1:29 pm PST Jan 26, 2026
Forecast Valid:
10pm PST Jan 26, 2026-6pm PST Feb 2, 2026
 
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