Hourly Weather Forecast - Union City, CA

7 AM
46°F
0%
5mph
ENE
Partly Cloudy
Humidity
81%
Feels like
43°F
Dew Point
40°F
7:15 AM
8 AM
47°F
0%
5mph
E
Partly Cloudy
Humidity
79%
Feels like
45°F
Dew Point
41°F
9 AM
49°F
0%
5mph
ESE
Partly Cloudy
Humidity
75%
Feels like
48°F
Dew Point
42°F
10 AM
51°F
0%
4mph
ESE
Partly Cloudy
Humidity
73%
Feels like
51°F
Dew Point
43°F
11 AM
53°F
0%
5mph
SE
Partly Cloudy
Humidity
70%
Feels like
53°F
Dew Point
44°F
12 PM
55°F
0%
5mph
WNW
Mostly Sunny
Humidity
68%
Feels like
55°F
Dew Point
44°F
1 PM
56°F
0%
5mph
NW
Mostly Sunny
Humidity
68%
Feels like
56°F
Dew Point
45°F
2 PM
55°F
0%
5mph
WNW
Mostly Sunny
Humidity
69%
Feels like
55°F
Dew Point
45°F
3 PM
54°F
0%
4mph
WNW
Mostly Sunny
Humidity
71%
Feels like
54°F
Dew Point
45°F
4 PM
52°F
0%
4mph
WNW
Partly Cloudy
Humidity
76%
Feels like
52°F
Dew Point
45°F
4:50 PM
5 PM
50°F
0%
5mph
NW
Mostly Clear
Humidity
81%
Feels like
48°F
Dew Point
44°F
6 PM
48°F
0%
5mph
NNW
Mostly Clear
Humidity
84%
Feels like
46°F
Dew Point
43°F
7 PM
46°F
0%
5mph
N
Mostly Clear
Humidity
87%
Feels like
44°F
Dew Point
42°F
8 PM
45°F
0%
5mph
NE
Mostly Clear
Humidity
87%
Feels like
43°F
Dew Point
42°F
9 PM
44°F
0%
6mph
ENE
Mostly Clear
Humidity
88%
Feels like
41°F
Dew Point
41°F
10 PM
43°F
0%
6mph
E
Mostly Clear
Humidity
90%
Feels like
40°F
Dew Point
40°F
11 PM
42°F
0%
6mph
E
Cloudy
Humidity
91%
Feels like
38°F
Dew Point
40°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's 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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