S
M
T
W
T
F
S
26
62°
43°
27
56°
44°
28
52°
36°
29
55°
36°
30
54°
37°
1
54°
37°
2
70°
32°
3
72°
48°
4
61°
37°
5
52°
30°
6
50°
30°
7
63°
34°
8
73°
41°
9
63°
41°
10
63°
37°
11
72°
34°
12
73°
55°
13
75°
45°
14
81°
52°
15
90°
52°
16
81°
48°
17
81°
57°
18
63°
54°
19
52°
41°
20
59°
36°
21
64°
46°
22
57°
48°
23
70°
52°
24
82°
54°
25
88°
65°
26
88°
61°
27
85°
58°
28
85°
58°
29
82°
56°
30
79°
53°
31
76°
56°
1
80°
55°
2
79°
54°
3
80°
57°
4
77°
56°
5
80°
55°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sleepy Eye
Sleepy Eye's May 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 53° and 65°. The average high for May is 81° with an average low of 57°. 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 Sleepy Eye. See also: June | July | August.