Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

52°F

11°C

Humidity 62%
Wind Speed NE 11 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 30 Dec 03:00 PM PST
Extended Forecast for

2 Miles ENE Union City CA

  • Tonight

    Tonight: A 10 percent chance of rain after 4am.  Mostly cloudy, with a steady temperature around 48. East northeast wind 7 to 14 mph.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Cloudy, with a high near 52. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 48. East northeast wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 57. South wind 7 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely.  Cloudy, with a low around 54. South southeast wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely

  • Friday

    Friday: Rain likely.  Mostly cloudy, with a high near 58. Breezy.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain

  • Saturday

    Saturday: Rain likely.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 48. East northeast wind 7 to 14 mph.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 52. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 48. East northeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Rain. High near 57. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 54. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 50. Chance of precipitation is 90%.
Saturday
Rain likely. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 594 ft)
12:26 pm PST Dec 30, 2025
3pm PST Dec 30, 2025-6pm PST Jan 6, 2026
 
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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