Hourly Weather Forecast - Union City, CA

6 AM
41°F
0%
5mph
ENE
Mostly Cloudy
Humidity
86%
Feels like
38°F
Dew Point
37°F
7 AM
42°F
0%
5mph
ENE
Partly Cloudy
Humidity
84%
Feels like
39°F
Dew Point
38°F
7:22 AM
8 AM
44°F
0%
4mph
E
Mostly Sunny
Humidity
80%
Feels like
42°F
Dew Point
39°F
9 AM
47°F
0%
4mph
E
Mostly Sunny
Humidity
73%
Feels like
46°F
Dew Point
39°F
10 AM
51°F
0%
4mph
E
Mostly Sunny
Humidity
65%
Feels like
51°F
Dew Point
40°F
11 AM
54°F
0%
5mph
NE
Sunny
Humidity
58%
Feels like
54°F
Dew Point
39°F
12 PM
57°F
0%
6mph
N
Sunny
Humidity
52%
Feels like
57°F
Dew Point
39°F
1 PM
58°F
0%
6mph
NNW
Sunny
Humidity
48%
Feels like
58°F
Dew Point
39°F
2 PM
59°F
0%
6mph
N
Sunny
Humidity
47%
Feels like
59°F
Dew Point
39°F
3 PM
58°F
0%
7mph
N
Sunny
Humidity
49%
Feels like
58°F
Dew Point
39°F
4 PM
56°F
0%
7mph
N
Sunny
Humidity
53%
Feels like
56°F
Dew Point
39°F
4:57 PM
5 PM
53°F
0%
7mph
N
Clear
Humidity
58%
Feels like
53°F
Dew Point
39°F
6 PM
51°F
0%
7mph
NNE
Clear
Humidity
63%
Feels like
51°F
Dew Point
39°F
7 PM
49°F
0%
7mph
NNE
Clear
Humidity
67%
Feels like
45°F
Dew Point
38°F
8 PM
47°F
0%
7mph
NNE
Clear
Humidity
71%
Feels like
43°F
Dew Point
38°F
9 PM
45°F
0%
7mph
NE
Clear
Humidity
75%
Feels like
42°F
Dew Point
38°F
10 PM
44°F
0%
7mph
NE
Clear
Humidity
77%
Feels like
40°F
Dew Point
38°F
11 PM
44°F
0%
7mph
ENE
Clear
Humidity
78%
Feels like
40°F
Dew Point
37°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Today's Weather Outlook

Today's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide