S
M
T
W
T
F
S
26
82°
68°
27
84°
68°
28
86°
67°
29
87°
67°
30
86°
66°
31
84°
65°
1
83°
67°
2
86°
67°
3
87°
68°
4
87°
68°
5
88°
67°
6
87°
68°
7
84°
60°
8
87°
64°
9
88°
60°
10
83°
58°
11
81°
58°
12
82°
60°
13
83°
60°
14
85°
62°
15
82°
65°
16
82°
65°
17
83°
60°
18
83°
64°
19
84°
64°
20
82°
63°
21
83°
64°
22
82°
62°
23
84°
58°
24
86°
62°
25
88°
63°
26
88°
63°
27
89°
61°
28
87°
60°
29
86°
61°
30
83°
62°
31
86°
61°
1
80°
56°
2
80°
55°
3
79°
54°
4
79°
53°
5
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chillicothe
Chillicothe's August 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 53° and 68°. The average high for August is 84° with an average low of 62°. 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 Chillicothe. See also: September | October | November.
