S
M
T
W
T
F
S
26
48°
33°
27
42°
36°
28
41°
29°
29
36°
29°
30
37°
24°
1
48°
21°
2
58°
19°
3
59°
30°
4
51°
29°
5
34°
25°
6
39°
28°
7
39°
24°
8
55°
23°
9
43°
29°
10
38°
27°
11
51°
23°
12
39°
33°
13
63°
31°
14
66°
28°
15
77°
44°
16
57°
31°
17
60°
26°
18
46°
35°
19
41°
28°
20
54°
24°
21
62°
26°
22
65°
30°
23
49°
40°
24
68°
40°
25
80°
50°
26
75°
43°
27
68°
39°
28
75°
50°
29
80°
45°
30
69°
40°
31
76°
45°
1
78°
46°
2
76°
50°
3
77°
50°
4
71°
49°
5
70°
49°
6
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lac Des Mille Lacs
Lac Des Mille Lacs's May 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 39° and 50°. The average high for May is 74° with an average low of 47°. 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 Lac Des Mille Lacs. See also: June | July | August.