Hourly Weather Forecast - Union City, CA

12 AM
46°F
0%
5mph
SSW
Cloudy
Humidity
95%
Feels like
43°F
Dew Point
44°F
1 AM
45°F
0%
5mph
S
Cloudy
Humidity
95%
Feels like
42°F
Dew Point
44°F
2 AM
45°F
0%
5mph
S
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
44°F
3 AM
45°F
0%
5mph
S
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
43°F
4 AM
45°F
10%
5mph
SSE
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
43°F
5 AM
45°F
10%
5mph
SSE
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
44°F
6 AM
46°F
10%
5mph
SSE
Cloudy
Humidity
93%
Feels like
43°F
Dew Point
44°F
7 AM
47°F
10%
5mph
SSE
Cloudy
Humidity
91%
Feels like
44°F
Dew Point
44°F
7:17 AM
8 AM
48°F
0%
5mph
SSE
Cloudy
Humidity
88%
Feels like
46°F
Dew Point
45°F
9 AM
50°F
10%
5mph
S
Partly Cloudy
Humidity
84%
Feels like
48°F
Dew Point
45°F
10 AM
51°F
10%
5mph
S
Mostly Cloudy
Humidity
80%
Feels like
51°F
Dew Point
46°F
11 AM
53°F
10%
5mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
53°F
Dew Point
46°F
12 PM
56°F
10%
6mph
SW
Cloudy
Humidity
70%
Feels like
56°F
Dew Point
46°F
1 PM
57°F
10%
6mph
WSW
Cloudy
Humidity
68%
Feels like
57°F
Dew Point
46°F
2 PM
57°F
10%
6mph
W
Cloudy
Humidity
68%
Feels like
57°F
Dew Point
46°F
3 PM
56°F
10%
7mph
W
Cloudy
Humidity
70%
Feels like
56°F
Dew Point
46°F
4 PM
54°F
10%
7mph
WNW
Cloudy
Humidity
74%
Feels like
54°F
Dew Point
46°F
4:51 PM
5 PM
51°F
10%
6mph
W
Cloudy
Humidity
81%
Feels like
51°F
Dew Point
46°F
6 PM
51°F
10%
6mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
51°F
Dew Point
46°F
7 PM
51°F
10%
5mph
SW
Mostly Cloudy
Humidity
84%
Feels like
51°F
Dew Point
46°F
8 PM
50°F
10%
5mph
SSW
Mostly Cloudy
Humidity
85%
Feels like
50°F
Dew Point
46°F
9 PM
50°F
10%
5mph
SSW
Mostly Cloudy
Humidity
85%
Feels like
50°F
Dew Point
46°F
10 PM
50°F
10%
6mph
S
Mostly Cloudy
Humidity
86%
Feels like
48°F
Dew Point
46°F
11 PM
49°F
10%
6mph
S
Mostly Cloudy
Humidity
87%
Feels like
47°F
Dew Point
46°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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