Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

44°F

7°C

Humidity 88%
Wind Speed NE 8 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 11 Dec 02:54 AM PST
Extended Forecast for

3 Miles SE Union City CA

  • Overnight

    Overnight: Mostly clear, with a low around 45. Northeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northeast wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. North northeast wind around 5 mph becoming calm  in the morning.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. East northeast wind 3 to 7 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

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

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 45. Northeast wind around 5 mph.
Thursday
Sunny, with a high near 60. Light and variable wind.
Thursday Night
Mostly clear, with a low around 45. Northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 62. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 44. East northeast wind 3 to 7 mph.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 63.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
2:25 am PST Dec 11, 2025
3am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database