S
M
T
W
T
F
S
26
77°
56°
27
76°
52°
28
63°
47°
29
62°
42°
30
67°
38°
1
64°
36°
2
63°
43°
3
75°
48°
4
82°
52°
5
55°
42°
6
52°
39°
7
63°
46°
8
69°
47°
9
74°
50°
10
70°
48°
11
73°
54°
12
71°
53°
13
72°
49°
14
73°
52°
15
67°
54°
16
67°
57°
17
73°
59°
18
73°
59°
19
74°
60°
20
77°
60°
21
76°
59°
22
76°
54°
23
70°
53°
24
68°
55°
25
70°
58°
26
72°
55°
27
70°
55°
28
72°
54°
29
72°
55°
30
79°
63°
31
77°
63°
1
82°
64°
2
82°
64°
3
81°
60°
4
75°
60°
5
75°
56°
6
76°
56°
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 52° to 82°, with overnight lows between 36° and 64°. The average high for May is 72° 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.
