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Hopatcong Hills, NJ Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Hopatcong Hills, Sussex County, New Jersey.

Updated Jul 29, 2026, 5:10 PM local time · Radar refreshes every 5 minutes

Hopatcong Hills
Partly cloudy
71°F
Feels like 76°F
Wind 3 mph
Humidity 87%
Cloud cover 59%
UV index 6
Alerts 0

Active alerts

No active National Weather Service alerts for Hopatcong Hills, NJ.

Hopatcong Hills weather radar

Light Heavy

Next 24 hours

Now
🌧️
71°F
20%
6 PM
73°F
18%
7 PM
☁️
71°F
16%
8 PM
☁️
69°F
13%
9 PM
🌦️
66°F
13%
10 PM
☁️
66°F
16%
11 PM
☁️
65°F
27%
12 AM
☁️
65°F
25%
1 AM
🌦️
65°F
23%
2 AM
☁️
64°F
19%
3 AM
🌦️
64°F
7%
4 AM
63°F
9%
5 AM
☁️
64°F
9%
6 AM
🌦️
63°F
5%
7 AM
☁️
63°F
5%
8 AM
☁️
64°F
7%
9 AM
🌦️
64°F
6%
10 AM
☁️
68°F
4%
11 AM
☁️
69°F
7%
12 PM
☁️
70°F
11%
1 PM
🌦️
69°F
7%
2 PM
☁️
68°F
10%
3 PM
🌤️
71°F
12%
4 PM
🌤️
72°F
12%

7-day forecast

Today
Jul 29
🌧️
77°F
65°F
67%
Thu
Jul 30
🌦️
72°F
63°F
27%
Fri
Jul 31
☁️
84°F
61°F
8%
Sat
Aug 1
☁️
83°F
60°F
2%
Sun
Aug 2
🌦️
83°F
63°F
52%
Mon
Aug 3
🌧️
77°F
61°F
46%
Tue
Aug 4
☁️
82°F
55°F
12%

Weather near Hopatcong Hills

6 mi Sparta, NJ7 mi Dover, NJ8 mi Randolph, NJ11 mi Denville, NJ14 mi Parsippany, NJ14 mi Morristown, NJ18 mi Basking Ridge, NJ18 mi Madison, 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.