Monthly Historical AveragesKeystone, PA
Average Temperature
High
19°
Feels 19
Low
9°
Feels 7
Average Precipitation
13 Days
73.2mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 7, 2026
Day
13°Feels 12
Wind
20 km/h W
Gust
30 km/h
Humidity
43%
P.O.P
30%
Night
2°Feels 0
Wind
20 km/h W
Gust
29 km/h
Humidity
82%
P.O.P
20%
Historical AveragesMay 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity