Monthly Historical AveragesWest Chester, PA
Average Temperature
High
28°
Feels 30
Low
18°
Feels 18
Average Precipitation
11 Days
85.3mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, August 8, 2026
Day
32°Feels 36
Wind
17 km/h W
Gust
26 km/h
Humidity
56%
P.O.P
60%
Rain
1-3 mm
Night
23°Feels 23
Wind
10 km/h SW
Gust
15 km/h
Humidity
91%
P.O.P
20%
Historical AveragesAug 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity