Hourly Weather Forecast - Union City, CA

12 AM
56°F
40%
11mph
SSE
40% Chance of Light Rain
Humidity
85%
Feels like
56°F
Dew Point
51°F
1 AM
55°F
60%
11mph
SSE
60% Chance of Light Rain
Humidity
88%
Feels like
55°F
Dew Point
52°F
2 AM
54°F
70%
10mph
SSE
70% Chance of Light Rain
Humidity
91%
Feels like
54°F
Dew Point
52°F
3 AM
54°F
80%
10mph
SSE
80% Chance of Light Rain
Humidity
92%
Feels like
54°F
Dew Point
52°F
4 AM
55°F
80%
9mph
S
80% Chance of Light Rain
Humidity
91%
Feels like
55°F
Dew Point
52°F
5 AM
55°F
80%
9mph
S
80% Chance of Rain
Humidity
90%
Feels like
55°F
Dew Point
52°F
6 AM
55°F
80%
9mph
S
80% Chance of Rain
Humidity
90%
Feels like
55°F
Dew Point
53°F
7 AM
56°F
90%
10mph
S
Rain
Humidity
90%
Feels like
56°F
Dew Point
53°F
7:23 AM
8 AM
56°F
90%
10mph
S
Rain
Humidity
89%
Feels like
56°F
Dew Point
53°F
9 AM
57°F
100%
11mph
S
Rain
Humidity
87%
Feels like
57°F
Dew Point
53°F
10 AM
58°F
100%
11mph
S
Rain
Humidity
86%
Feels like
58°F
Dew Point
54°F
11 AM
58°F
100%
11mph
SSW
Rain
Humidity
86%
Feels like
58°F
Dew Point
54°F
12 PM
58°F
100%
11mph
SSW
Thunderstorms
Humidity
86%
Feels like
58°F
Dew Point
54°F
1 PM
58°F
100%
11mph
SSW
Rain Showers
Humidity
87%
Feels like
58°F
Dew Point
54°F
2 PM
57°F
100%
11mph
SW
Rain Showers
Humidity
87%
Feels like
57°F
Dew Point
53°F
3 PM
57°F
100%
10mph
SSW
Rain Showers
Humidity
87%
Feels like
57°F
Dew Point
53°F
4 PM
56°F
90%
10mph
SSW
Rain Showers
Humidity
88%
Feels like
56°F
Dew Point
52°F
5 PM
55°F
90%
9mph
SSW
Rain Showers
Humidity
89%
Feels like
55°F
Dew Point
52°F
5:03 PM
6 PM
54°F
80%
8mph
SSW
80% Chance Rain Showers
Humidity
90%
Feels like
54°F
Dew Point
51°F
7 PM
53°F
80%
8mph
S
80% Chance Rain Showers
Humidity
89%
Feels like
53°F
Dew Point
50°F
8 PM
53°F
80%
8mph
S
80% Chance Rain Showers
Humidity
89%
Feels like
53°F
Dew Point
50°F
9 PM
52°F
70%
7mph
S
70% Chance Rain Showers
Humidity
89%
Feels like
52°F
Dew Point
49°F
10 PM
52°F
70%
7mph
S
70% Chance Rain Showers
Humidity
89%
Feels like
52°F
Dew Point
49°F
11 PM
51°F
60%
7mph
S
60% Chance Rain Showers
Humidity
90%
Feels like
51°F
Dew Point
48°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

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

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide