Monthly Historical AveragesWilliamstown, NJ
Average Temperature
High
17°
Feels 17
Low
6°
Feels 4
Average Precipitation
10 Days
63.7mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, April 10, 2026
Day
21°Feels 21
Wind
17 km/h S
Gust
26 km/h
Humidity
30%
P.O.P
10%
Night
10°Feels 7
Wind
17 km/h S
Gust
26 km/h
Humidity
76%
P.O.P
20%
Historical AveragesApr 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity