S
M
T
W
T
F
S
26
77°
42°
27
71°
57°
28
63°
50°
29
60°
38°
30
61°
35°
1
55°
41°
2
58°
34°
3
69°
43°
4
79°
45°
5
57°
45°
6
58°
36°
7
63°
32°
8
66°
47°
9
77°
50°
10
67°
45°
11
68°
44°
12
82°
44°
13
68°
43°
14
72°
38°
15
77°
52°
16
77°
58°
17
84°
64°
18
76°
63°
19
75°
54°
20
69°
47°
21
72°
44°
22
73°
55°
23
78°
54°
24
82°
56°
25
84°
56°
26
86°
60°
27
83°
59°
28
85°
58°
29
78°
58°
30
80°
59°
31
81°
58°
1
80°
57°
2
82°
62°
3
82°
59°
4
81°
61°
5
83°
62°
6
81°
59°
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 78° to 86°, with overnight lows between 56° and 62°. The average high for May is 82° with an average low of 59°. 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.
