Monthly Historical AveragesBryn Mawr, PA
Average Temperature
High
5°
Feels 3
Low
-2°
Feels -6
Average Precipitation
10 Days
53.7mm
8.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, December 31, 2025
Day
-1°Feels -7
Wind
22 km/h SW
Gust
45 km/h
Humidity
69%
P.O.P
70%
Snow
1-3 cm
Night
-9°Feels -17
Wind
25 km/h SW
Gust
41 km/h
Humidity
97%
P.O.P
80%
Snow
~5 cm
Historical AveragesDec 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity