Monthly Historical AveragesWilliamson, PA
Average Temperature
High
18°
Feels 17
Low
6°
Feels 5
Average Precipitation
10 Days
75.8mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, April 13, 2026
Day
21°Feels 21
Wind
24 km/h SW
Gust
35 km/h
Humidity
49%
P.O.P
40%
Rain
<1 mm
Night
12°Feels 12
Wind
20 km/h W
Gust
29 km/h
Humidity
94%
P.O.P
20%
Historical AveragesApr 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity