S
M
T
W
T
F
S
26
98°
77°
27
98°
77°
28
93°
77°
29
88°
73°
30
86°
68°
31
85°
64°
1
82°
64°
2
86°
61°
3
84°
62°
4
88°
67°
5
80°
65°
6
81°
63°
7
86°
67°
8
88°
69°
9
94°
70°
10
93°
73°
11
94°
70°
12
88°
69°
13
85°
67°
14
87°
64°
15
86°
65°
16
89°
69°
17
92°
71°
18
91°
71°
19
92°
70°
20
91°
70°
21
90°
69°
22
91°
70°
23
90°
69°
24
89°
69°
25
90°
68°
26
88°
67°
27
89°
67°
28
89°
68°
29
88°
66°
30
89°
67°
31
88°
67°
1
89°
68°
2
89°
68°
3
88°
67°
4
88°
66°
5
87°
66°
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 94°, with overnight lows between 61° and 73°. The average high for August is 88° with an average low of 68°. 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.
