Hourly Weather Forecast - Union City, CA

12 AM
46°F
0%
5mph
SSE
Partly Cloudy
Humidity
87%
Feels like
44°F
Dew Point
42°F
1 AM
46°F
0%
4mph
SSE
Partly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
43°F
2 AM
47°F
0%
5mph
SSE
Partly Cloudy
Humidity
90%
Feels like
45°F
Dew Point
44°F
3 AM
47°F
0%
5mph
SSE
Partly Cloudy
Humidity
91%
Feels like
45°F
Dew Point
45°F
4 AM
48°F
0%
5mph
SSE
Mostly Cloudy
Humidity
93%
Feels like
46°F
Dew Point
46°F
5 AM
49°F
0%
5mph
SE
Mostly Cloudy
Humidity
93%
Feels like
47°F
Dew Point
47°F
6 AM
49°F
0%
5mph
SE
Mostly Cloudy
Humidity
95%
Feels like
47°F
Dew Point
48°F
7 AM
50°F
0%
5mph
ESE
Mostly Cloudy
Humidity
95%
Feels like
50°F
Dew Point
49°F
7:16 AM
8 AM
51°F
0%
5mph
SE
Mostly Cloudy
Humidity
97%
Feels like
51°F
Dew Point
50°F
9 AM
53°F
0%
4mph
SSE
Mostly Cloudy
Humidity
95%
Feels like
53°F
Dew Point
51°F
10 AM
54°F
0%
4mph
S
Mostly Cloudy
Humidity
93%
Feels like
54°F
Dew Point
52°F
11 AM
56°F
0%
5mph
SW
Mostly Cloudy
Humidity
91%
Feels like
56°F
Dew Point
53°F
12 PM
58°F
0%
5mph
W
Mostly Cloudy
Humidity
87%
Feels like
58°F
Dew Point
54°F
1 PM
59°F
0%
6mph
W
Cloudy
Humidity
86%
Feels like
59°F
Dew Point
55°F
2 PM
59°F
0%
6mph
W
Cloudy
Humidity
88%
Feels like
59°F
Dew Point
55°F
3 PM
58°F
0%
6mph
W
Cloudy
Humidity
90%
Feels like
58°F
Dew Point
55°F
4 PM
56°F
20%
6mph
W
Cloudy
Humidity
94%
Feels like
56°F
Dew Point
55°F
4:51 PM
5 PM
54°F
30%
6mph
W
30% Chance of Light Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 PM
54°F
50%
5mph
WSW
50% Chance of Light Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F
7 PM
54°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
99%
Feels like
54°F
Dew Point
53°F
8 PM
54°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
98%
Feels like
54°F
Dew Point
53°F
9 PM
54°F
50%
5mph
SSW
50% Chance of Light Rain
Humidity
97%
Feels like
54°F
Dew Point
53°F
10 PM
53°F
50%
6mph
SSW
50% Chance of Light Rain
Humidity
98%
Feels like
53°F
Dew Point
53°F
11 PM
53°F
50%
6mph
SSW
50% Chance of Light Rain
Humidity
98%
Feels like
53°F
Dew Point
53°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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