S
M
T
W
T
F
S
26
84°
63°
27
84°
64°
28
86°
67°
29
89°
70°
30
91°
69°
31
90°
63°
1
89°
68°
2
89°
69°
3
88°
69°
4
88°
67°
5
86°
70°
6
89°
69°
7
90°
68°
8
88°
67°
9
86°
62°
10
83°
65°
11
82°
62°
12
83°
62°
13
82°
63°
14
81°
60°
15
81°
61°
16
83°
62°
17
82°
61°
18
86°
62°
19
87°
64°
20
88°
61°
21
84°
66°
22
84°
62°
23
82°
60°
24
Hist. Avg.
85°
64°
25
Hist. Avg.
84°
64°
26
Hist. Avg.
84°
64°
27
Hist. Avg.
84°
64°
28
Hist. Avg.
84°
64°
29
Hist. Avg.
84°
64°
30
Hist. Avg.
84°
63°
31
Hist. Avg.
83°
63°
1
Hist. Avg.
83°
63°
2
Hist. Avg.
83°
63°
3
Hist. Avg.
83°
62°
4
Hist. Avg.
82°
62°
5
Hist. Avg.
82°
62°
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 81° to 91°, with overnight lows between 60° and 70°. The average high for August is 86° with an average low of 65°. 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.
