Monthly Historical AveragesWilliamstown, OH
Average Temperature
High
16°
Feels 15
Low
4°
Feels 1
Average Precipitation
11 Days
83.9mm
1.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
27°Feels 27
Wind
36 km/h SW
Gust
62 km/h
Humidity
37%
P.O.P
30%
Night
18°Feels 17
Wind
44 km/h SW
Gust
65 km/h
Humidity
72%
P.O.P
70%
Rain
<1 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity