S
M
T
W
T
F
S
26
84°
70°
27
81°
72°
28
81°
70°
29
82°
59°
30
87°
57°
31
84°
60°
1
79°
65°
2
79°
58°
3
81°
56°
4
83°
61°
5
84°
65°
6
83°
63°
7
82°
67°
8
84°
64°
9
82°
65°
10
80°
62°
11
78°
61°
12
80°
60°
13
82°
61°
14
81°
64°
15
76°
57°
16
76°
63°
17
85°
66°
18
84°
67°
19
86°
66°
20
83°
65°
21
83°
65°
22
84°
64°
23
84°
66°
24
82°
65°
25
81°
65°
26
81°
64°
27
80°
64°
28
77°
63°
29
79°
62°
30
80°
63°
31
82°
63°
1
81°
61°
2
77°
59°
3
76°
60°
4
77°
60°
5
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Johnstown Township
Johnstown Township's August 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 56° and 67°. The average high for August is 81° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Johnstown Township. See also: September | October | November.
