NimbocastSouth River, NJ Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for South River, Middlesex County, New Jersey.
Updated Jul 29, 2026, 5:09 PM local time · Radar refreshes every 5 minutes
☁️
South River
78°F
Wind 7 mph
Humidity 67%
Cloud cover 91%
UV index 6
Alerts 0
Active alerts
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No active National Weather Service alerts for South River, NJ.
South River weather radar
Light
Heavy
Next 24 hours
Now
☁️
78°F
10%
6 PM
🌤️
78°F
20%
7 PM
🌦️
76°F
22%
8 PM
☁️
74°F
18%
9 PM
🌦️
70°F
12%
10 PM
☁️
69°F
6%
11 PM
☁️
69°F
5%
12 AM
☁️
68°F
7%
1 AM
☁️
68°F
14%
2 AM
⛅
67°F
9%
3 AM
🌤️
66°F
5%
4 AM
☀️
66°F
7%
5 AM
🌤️
66°F
8%
6 AM
🌤️
65°F
4%
7 AM
🌤️
67°F
3%
8 AM
☁️
69°F
4%
9 AM
🌦️
69°F
5%
10 AM
☁️
72°F
4%
11 AM
☁️
74°F
6%
12 PM
☁️
74°F
6%
1 PM
☁️
74°F
4%
2 PM
☁️
73°F
6%
3 PM
⛅
76°F
8%
4 PM
🌤️
77°F
11%
7-day forecast
Today
Jul 29
🌧️
82°F
68°F
73%
Thu
Jul 30
🌦️
77°F
65°F
23%
Fri
Jul 31
☁️
86°F
63°F
7%
Sat
Aug 1
☁️
90°F
68°F
5%
Sun
Aug 2
☁️
89°F
71°F
35%
Mon
Aug 3
🌧️
80°F
70°F
35%
Tue
Aug 4
☁️
87°F
66°F
13%
Weather near South River
2 mi
East Brunswick, NJ2 mi
Sayreville, NJ2 mi
Old Bridge, NJ3 mi
Sayreville Junction, NJ3 mi
South Old Bridge, NJ4 mi
New Brunswick, NJ4 mi
Piscataway, NJ5 mi
Edison, 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.