S
M
T
W
T
F
S
26
49°
38°
27
41°
37°
28
49°
30°
29
45°
25°
30
49°
26°
1
53°
25°
2
65°
28°
3
69°
39°
4
61°
32°
5
38°
30°
6
39°
26°
7
49°
30°
8
60°
38°
9
53°
29°
10
47°
32°
11
58°
41°
12
57°
39°
13
62°
44°
14
59°
42°
15
65°
42°
16
62°
39°
17
64°
42°
18
66°
43°
19
66°
44°
20
61°
40°
21
62°
42°
22
62°
42°
23
61°
44°
24
62°
47°
25
66°
51°
26
68°
49°
27
70°
52°
28
72°
53°
29
74°
53°
30
74°
52°
31
75°
52°
1
70°
53°
2
75°
55°
3
75°
54°
4
76°
49°
5
65°
46°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cass Lake
Cass Lake's May 2026 forecast shows daily high temperatures ranging from 39° to 76°, with overnight lows between 26° and 55°. The average high for May is 64° with an average low of 44°. 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 Cass Lake. See also: June | July | August.
