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

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mist

51°F

11°C

Humidity 96%
Wind Speed SSE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility 4.00 mi
Last update 07 Jan 08:54 AM PST
Extended Forecast for

2 Miles ENE Union City CA

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

  • Today

    Today: Mostly sunny, with a high near 54. West northwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. North northwest wind 7 to 9 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. North northeast wind around 6 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: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. West northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 40. West wind around 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 51. North northwest wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 36. North northeast wind around 6 mph.
Friday
Sunny, with a high near 52. Northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 59.
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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 am PST Jan 7, 2026
Forecast Valid:
9am PST Jan 7, 2026-6pm PST Jan 13, 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