NimbocastUnion, NJ Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Union, Union County, New Jersey.
Updated Jul 29, 2026, 5:04 PM local time · Radar refreshes every 5 minutes
🌤️
Union
81°F
Wind 7 mph
Humidity 62%
Cloud cover 39%
UV index 6
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Union, NJ.
Union weather radar
Light
Heavy
Next 24 hours
Now
🌤️
81°F
13%
6 PM
⛅
77°F
32%
7 PM
🌤️
77°F
20%
8 PM
⛅
74°F
18%
9 PM
🌦️
72°F
15%
10 PM
☁️
71°F
6%
11 PM
☁️
70°F
7%
12 AM
☁️
69°F
10%
1 AM
☁️
68°F
10%
2 AM
⛅
68°F
11%
3 AM
☁️
68°F
7%
4 AM
☁️
68°F
7%
5 AM
☁️
68°F
8%
6 AM
⛅
67°F
7%
7 AM
🌤️
68°F
5%
8 AM
🌦️
69°F
4%
9 AM
🌤️
71°F
6%
10 AM
🌤️
73°F
5%
11 AM
🌤️
74°F
5%
12 PM
☁️
74°F
4%
1 PM
☁️
74°F
3%
2 PM
☁️
75°F
5%
3 PM
⛅
75°F
18%
4 PM
⛅
76°F
13%
7-day forecast
Today
Jul 29
🌦️
82°F
69°F
70%
Thu
Jul 30
🌦️
77°F
67°F
18%
Fri
Jul 31
☁️
88°F
64°F
8%
Sat
Aug 1
☁️
89°F
68°F
3%
Sun
Aug 2
☁️
89°F
72°F
39%
Mon
Aug 3
🌧️
82°F
70°F
37%
Tue
Aug 4
☁️
87°F
66°F
14%
Weather near Union
2 mi
Maplewood, NJ2 mi
Hillside, NJ3 mi
Irvington, NJ3 mi
Cranford, NJ3 mi
Roselle, NJ3 mi
Millburn, NJ4 mi
Elizabeth, NJ4 mi
South Orange, NJ
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.