S
M
T
W
T
F
S
26
82°
66°
27
83°
63°
28
83°
62°
29
85°
64°
30
84°
68°
31
82°
63°
1
83°
68°
2
87°
69°
3
88°
63°
4
82°
62°
5
83°
61°
6
82°
63°
7
82°
65°
8
80°
62°
9
82°
65°
10
85°
64°
11
81°
64°
12
83°
68°
13
86°
68°
14
82°
67°
15
84°
67°
16
87°
61°
17
81°
61°
18
80°
62°
19
80°
64°
20
79°
60°
21
79°
60°
22
80°
63°
23
82°
64°
24
86°
65°
25
87°
64°
26
86°
59°
27
84°
58°
28
78°
57°
29
78°
58°
30
79°
59°
31
82°
64°
1
84°
64°
2
84°
63°
3
83°
60°
4
83°
64°
5
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Derry Township
Derry Township's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 57° and 69°. The average high for August is 83° 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 Derry Township. See also: September | October | November.