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14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Penn, PA
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
10°
Feels 10
Average Precipitation
12 Days
Rain amount
80.5mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
21°
5
24°
6
14°
7
11°
8
12°
9
14°
10
16°
11
16°
12
17°
13
17°
14
18°
15
18°
16
19°
17
21°
18
20°
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Monday, May 4, 2026
Day
21°
Feels 21
Wind
25 km/h SW
Gust
38 km/h
Humidity
43%
P.O.P
40%
Rain
<1 mm
Night
14°
Feels 12
Wind
22 km/h SW
Gust
33 km/h
Humidity
82%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.