Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.
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. overnight into Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Overcast
48°F
9°C
| Humidity | 93% |
| Wind Speed | N 0 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 07 Jan 02:20 AM PST |
Extended Forecast for
Union City CA
Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Overnight
Low: 47 °F
Patchy Fog
Wednesday
High: 54 °F
Decreasing
CloudsWednesday Night
Low: 40 °F
Mostly Clear
Thursday
High: 51 °F
Sunny
Thursday Night
Low: 36 °F
Mostly Clear
Friday
High: 52 °F
Sunny
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 54 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 54. Light west northwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
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.
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.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Union City CA
37.61°N 122°W (Elev. 594 ft)
37.61°N 122°W (Elev. 594 ft)
12:26 am PST Jan 7, 2026
2am PST Jan 7, 2026-6pm PST Jan 13, 2026
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