S
M
T
W
T
F
S
26
79°
54°
27
73°
53°
28
72°
50°
29
76°
51°
30
72°
50°
1
80°
52°
2
74°
58°
3
78°
57°
4
76°
58°
5
75°
53°
6
77°
58°
7
78°
60°
8
83°
59°
9
81°
53°
10
82°
62°
11
86°
63°
12
86°
61°
13
82°
55°
14
77°
62°
15
82°
63°
16
83°
64°
17
86°
63°
18
84°
61°
19
78°
55°
20
79°
59°
21
84°
64°
22
88°
64°
23
89°
65°
24
89°
66°
25
84°
66°
26
81°
65°
27
83°
66°
28
80°
66°
29
82°
67°
30
85°
64°
31
84°
64°
1
91°
66°
2
92°
57°
3
91°
60°
4
84°
61°
5
85°
66°
6
93°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chillicothe
Chillicothe's May 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 50° and 69°. The average high for May is 82° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Chillicothe. See also: June | July | August.
