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Colonia, NJ Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Colonia, Middlesex County, New Jersey.

Updated Jul 29, 2026, 5:08 PM local time · Radar refreshes every 5 minutes

☁️
Colonia
Overcast
77°F
Feels like 81°F
Wind 4 mph
Humidity 70%
Cloud cover 100%
UV index 6
Alerts 0

Active alerts

No active National Weather Service alerts for Colonia, NJ.

Colonia weather radar

Light Heavy

Next 24 hours

Now
☁️
77°F
11%
6 PM
🌧️
72°F
29%
7 PM
73°F
21%
8 PM
🌦️
71°F
19%
9 PM
🌧️
69°F
20%
10 PM
☁️
69°F
6%
11 PM
☁️
68°F
6%
12 AM
☁️
68°F
9%
1 AM
☁️
68°F
13%
2 AM
67°F
10%
3 AM
🌤️
66°F
6%
4 AM
🌤️
66°F
8%
5 AM
66°F
9%
6 AM
🌤️
66°F
7%
7 AM
☁️
67°F
4%
8 AM
🌦️
67°F
3%
9 AM
70°F
6%
10 AM
🌤️
72°F
5%
11 AM
74°F
5%
12 PM
☁️
74°F
5%
1 PM
☁️
74°F
4%
2 PM
75°F
5%
3 PM
☁️
75°F
10%
4 PM
75°F
14%

7-day forecast

Today
Jul 29
🌧️
80°F
68°F
73%
Thu
Jul 30
🌦️
76°F
66°F
23%
Fri
Jul 31
☁️
87°F
64°F
6%
Sat
Aug 1
☁️
89°F
68°F
3%
Sun
Aug 2
☁️
89°F
72°F
36%
Mon
Aug 3
🌦️
82°F
71°F
36%
Tue
Aug 4
☁️
84°F
66°F
14%

Weather near Colonia

1 mi Woodbridge, NJ1 mi Iselin, NJ1 mi Avenel, NJ3 mi Rahway, NJ3 mi Fords, NJ4 mi Linden, NJ4 mi Carteret, NJ5 mi Perth Amboy, 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.