S
M
T
W
T
F
S
26
79°
63°
27
82°
64°
28
82°
68°
29
79°
57°
30
84°
54°
31
86°
59°
1
77°
68°
2
79°
64°
3
79°
55°
4
82°
52°
5
86°
63°
6
86°
61°
7
82°
68°
8
86°
68°
9
86°
63°
10
86°
68°
11
78°
64°
12
71°
64°
13
82°
61°
14
79°
68°
15
82°
68°
16
84°
72°
17
82°
68°
18
81°
63°
19
79°
61°
20
81°
64°
21
82°
63°
22
82°
63°
23
77°
59°
24
75°
52°
25
79°
52°
26
N/A
27
80°
58°
28
79°
54°
29
81°
58°
30
86°
65°
31
90°
63°
1
89°
65°
2
88°
64°
3
87°
63°
4
85°
62°
5
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Mechanicsburg
Mechanicsburg's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 54° and 65°. The average high for August is 84° with an average low of 61°. 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 Mechanicsburg. See also: September | October | November.
