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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Johnstown, PA
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August
Average Temperature
High
27°
Feels 28
Low
16°
Feels 16
Average Precipitation
12 Days
Rain amount
89.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 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
18
26°
19
25°
20
23°
21
24°
22
23°
23
21°
24
20°
25
21°
26
23°
27
23°
28
23°
29
23°
30
23°
31
23°
Forecast
Tuesday, August 18, 2026
Day
26°
Feels 26
Wind
15 km/h NW
Gust
23 km/h
Humidity
51%
P.O.P
20%
Night
15°
Feels 15
Wind
12 km/h S
Gust
18 km/h
Humidity
94%
P.O.P
10%
Historical Averages
Aug 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.