S
M
T
W
T
F
S
26
64°
43°
27
77°
39°
28
75°
55°
29
63°
50°
30
57°
37°
1
52°
36°
2
52°
32°
3
63°
30°
4
73°
46°
5
72°
57°
6
61°
43°
7
61°
37°
8
72°
37°
9
73°
52°
10
70°
50°
11
70°
47°
12
75°
42°
13
72°
50°
14
63°
41°
15
69°
56°
16
82°
63°
17
87°
64°
18
90°
68°
19
81°
64°
20
73°
54°
21
70°
53°
22
73°
50°
23
75°
56°
24
81°
58°
25
79°
62°
26
80°
61°
27
78°
55°
28
79°
61°
29
79°
60°
30
78°
58°
31
72°
54°
1
73°
53°
2
73°
52°
3
74°
53°
4
74°
54°
5
82°
62°
6
84°
63°
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 63° to 90°, with overnight lows between 41° and 68°. The average high for May is 77° with an average low of 57°. 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.
