Monthly Historical AveragesLake Hopatcong, NJ
Average Temperature
High
15°
Feels 14
Low
4°
Feels 2
Average Precipitation
9 Days
68.2mm
0.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
9°Feels 8
Wind
12 km/h SW
Gust
18 km/h
Humidity
25%
P.O.P
20%
Night
4°Feels 1
Wind
16 km/h S
Gust
23 km/h
Humidity
81%
P.O.P
70%
Rain
1-3 mm
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity