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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Chester, PA
Content continues below
May
Average Temperature
High
23°
Feels 24
Low
13°
Feels 12
Average Precipitation
13 Days
Rain amount
87.9mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
32°
18
34°
19
25°
20
23°
21
14°
22
14°
23
14°
24
17°
25
22°
26
24°
27
24°
28
24°
29
25°
30
25°
31
26°
Forecast
Sunday, May 17, 2026
Day
32°
Feels 32
Wind
17 km/h NW
Gust
26 km/h
Humidity
27%
P.O.P
20%
Night
19°
Feels 19
Wind
13 km/h S
Gust
24 km/h
Humidity
88%
P.O.P
20%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.