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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Johnstown, PA
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
10°
Feels 9
Average Precipitation
13 Days
Rain amount
76.6mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
12°
4
19°
5
20°
6
14°
7
9°
8
11°
9
12°
10
14°
11
14°
12
15°
13
15°
14
16°
15
16°
16
17°
17
18°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
12°
Feels 10
Wind
21 km/h W
Gust
46 km/h
Humidity
35%
P.O.P
20%
Night
6°
Feels 3
Wind
16 km/h SW
Gust
37 km/h
Humidity
70%
P.O.P
20%
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.