S
M
T
W
T
F
S
26
83°
67°
27
89°
64°
28
82°
68°
29
79°
34°
30
82°
54°
31
86°
63°
1
77°
68°
2
79°
68°
3
83°
65°
4
84°
55°
5
84°
66°
6
86°
66°
7
84°
66°
8
86°
68°
9
86°
66°
10
88°
68°
11
75°
64°
12
70°
63°
13
86°
63°
14
86°
71°
15
85°
73°
16
88°
69°
17
85°
62°
18
84°
62°
19
84°
64°
20
79°
58°
21
82°
58°
22
80°
60°
23
82°
62°
24
82°
61°
25
81°
61°
26
83°
59°
27
82°
60°
28
79°
56°
29
80°
57°
30
82°
59°
31
85°
63°
1
87°
64°
2
87°
63°
3
86°
63°
4
86°
62°
5
85°
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 79° to 88°, with overnight lows between 56° and 73°. The average high for August is 83° 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.
