S
M
T
W
T
F
S
26
31°
18°
27
36°
17°
28
46°
17°
29
55°
22°
30
60°
23°
1
72°
37°
2
68°
44°
3
76°
43°
4
43°
34°
5
49°
24°
6
54°
17°
7
64°
18°
8
74°
32°
9
61°
25°
10
71°
23°
11
78°
49°
12
76°
42°
13
84°
41°
14
71°
51°
15
56°
33°
16
62°
24°
17
48°
32°
18
50°
32°
19
62°
31°
20
67°
37°
21
62°
41°
22
63°
42°
23
72°
44°
24
82°
50°
25
89°
55°
26
90°
57°
27
77°
53°
28
80°
52°
29
79°
51°
30
81°
51°
31
75°
51°
1
73°
48°
2
76°
52°
3
71°
46°
4
66°
48°
5
66°
50°
6
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Belle Plaine
Belle Plaine's May 2026 forecast shows daily high temperatures ranging from 62° to 90°, with overnight lows between 41° and 57°. The average high for May is 75° with an average low of 50°. 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 Belle Plaine. See also: June | July | August.