S
M
T
W
T
F
S
26
79°
60°
27
84°
62°
28
83°
67°
29
79°
60°
30
83°
55°
31
83°
58°
1
80°
70°
2
80°
67°
3
79°
63°
4
84°
68°
5
82°
65°
6
85°
67°
7
83°
68°
8
84°
65°
9
83°
64°
10
81°
64°
11
82°
64°
12
81°
61°
13
83°
59°
14
82°
61°
15
78°
58°
16
78°
59°
17
87°
66°
18
86°
65°
19
87°
65°
20
86°
64°
21
84°
62°
22
86°
64°
23
87°
65°
24
87°
65°
25
84°
64°
26
85°
65°
27
85°
64°
28
84°
63°
29
83°
62°
30
82°
63°
31
83°
62°
1
85°
61°
2
80°
57°
3
77°
57°
4
80°
58°
5
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McConnelsville
McConnelsville's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 57° and 70°. 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 McConnelsville. See also: September | October | November.