Monthly Historical AveragesSouth Mountain, PA
Average Temperature
High
2°
Feels -1
Low
-6°
Feels -12
Average Precipitation
8 Days
15.4mm
32.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, February 21, 2026
Day
6°Feels 3
Wind
17 km/h NW
Gust
26 km/h
Humidity
49%
P.O.P
20%
Night
-1°Feels -4
Wind
8 km/h E
Gust
12 km/h
Humidity
93%
P.O.P
70%
Snow
~1 cm
Rain
<1 mm
Historical AveragesFeb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity