S
M
T
W
T
F
S
26
88°
68°
27
83°
63°
28
84°
65°
29
86°
68°
30
85°
62°
31
86°
67°
1
87°
63°
2
85°
61°
3
84°
60°
4
82°
59°
5
83°
60°
6
83°
61°
7
84°
60°
8
85°
61°
9
87°
66°
10
83°
67°
11
86°
67°
12
88°
68°
13
88°
68°
14
90°
63°
15
90°
60°
16
85°
61°
17
83°
66°
18
83°
61°
19
84°
58°
20
81°
58°
21
82°
60°
22
83°
61°
23
87°
65°
24
88°
66°
25
87°
58°
26
88°
58°
27
81°
59°
28
81°
58°
29
82°
64°
30
84°
65°
31
87°
65°
1
87°
59°
2
84°
59°
3
86°
63°
4
80°
63°
5
80°
62°
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 80° to 90°, with overnight lows between 58° and 68°. The average high for August is 85° 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 Chillicothe. See also: September | October | November.
