S
M
T
W
T
F
S
26
63°
46°
27
81°
52°
28
82°
34°
29
60°
45°
30
64°
43°
1
48°
37°
2
73°
32°
3
61°
34°
4
75°
34°
5
84°
45°
6
61°
43°
7
104°
34°
8
64°
45°
9
73°
54°
10
79°
48°
11
68°
41°
12
72°
44°
13
62°
45°
14
63°
43°
15
68°
42°
16
77°
55°
17
82°
34°
18
87°
63°
19
86°
59°
20
63°
44°
21
67°
49°
22
64°
59°
23
72°
60°
24
73°
58°
25
76°
63°
26
75°
62°
27
77°
61°
28
76°
58°
29
76°
60°
30
78°
62°
31
79°
60°
1
77°
56°
2
76°
59°
3
75°
57°
4
70°
55°
5
71°
54°
6
74°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bellefontaine
Bellefontaine's May 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 44° and 63°. The average high for May is 74° with an average low of 58°. 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 Bellefontaine. See also: June | July | August.
