NimbocastWilliamstown, NJ Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Williamstown, Gloucester County, New Jersey.
Updated Jul 29, 2026, 4:44 PM local time · Radar refreshes every 5 minutes
⛅
Williamstown
81°F
Wind 10 mph
Humidity 57%
Cloud cover 69%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Williamstown, NJ.
Williamstown weather radar
Light
Heavy
Next 24 hours
Now
⛅
81°F
5 PM
⛅
81°F
1%
6 PM
☁️
77°F
2%
7 PM
🌤️
77°F
1%
8 PM
☀️
75°F
2%
9 PM
☀️
73°F
2%
10 PM
🌤️
72°F
2%
11 PM
☁️
70°F
2%
12 AM
☁️
69°F
4%
1 AM
⛅
69°F
4%
2 AM
☀️
68°F
5%
3 AM
☀️
67°F
2%
4 AM
☁️
67°F
2%
5 AM
☁️
67°F
2%
6 AM
☀️
66°F
3%
7 AM
☀️
67°F
3%
8 AM
☀️
70°F
2%
9 AM
☁️
72°F
2%
10 AM
🌤️
73°F
2%
11 AM
⛅
74°F
2%
12 PM
🌤️
77°F
2%
1 PM
🌤️
78°F
2%
2 PM
☁️
78°F
5%
3 PM
☁️
76°F
8%
7-day forecast
Today
Jul 29
🌦️
81°F
68°F
47%
Thu
Jul 30
☁️
80°F
66°F
14%
Fri
Jul 31
☁️
88°F
65°F
10%
Sat
Aug 1
☁️
88°F
66°F
3%
Sun
Aug 2
🌦️
85°F
68°F
37%
Mon
Aug 3
🌧️
78°F
71°F
37%
Tue
Aug 4
☁️
86°F
64°F
18%
Weather near Williamstown
3 mi
Sicklerville, NJ6 mi
Glassboro, NJ9 mi
Jackson, NJ10 mi
Sewell, NJ10 mi
Lindenwold, NJ14 mi
Vineland, NJ17 mi
Cherry Hill, NJ17 mi
South Vineland, NJ
Alerts are relayed from the National Weather Service and may lag
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broadcasts.