S
M
T
W
T
F
S
26
63°
43°
27
62°
43°
28
65°
51°
29
72°
54°
30
73°
53°
1
73°
50°
2
64°
48°
3
64°
47°
4
65°
45°
5
65°
53°
6
70°
54°
7
76°
55°
8
76°
52°
9
66°
51°
10
66°
54°
11
67°
54°
12
71°
53°
13
74°
56°
14
78°
56°
15
79°
58°
16
79°
57°
17
77°
55°
18
70°
53°
19
70°
52°
20
74°
58°
21
74°
57°
22
75°
51°
23
74°
51°
24
76°
53°
25
78°
52°
26
79°
52°
27
81°
54°
28
81°
56°
29
83°
57°
30
84°
55°
31
80°
55°
1
80°
60°
2
84°
56°
3
80°
62°
4
85°
63°
5
86°
63°
6
86°
64°
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 62° to 86°, with overnight lows between 43° and 64°. The average high for May is 74° with an average low of 54°. 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.
