S
M
T
W
T
F
S
26
49°
38°
27
41°
37°
28
49°
30°
29
45°
25°
30
49°
26°
1
54°
25°
2
60°
35°
3
62°
42°
4
47°
27°
5
41°
28°
6
42°
29°
7
48°
33°
8
55°
35°
9
58°
37°
10
58°
37°
11
58°
40°
12
59°
38°
13
61°
41°
14
64°
42°
15
57°
38°
16
59°
43°
17
59°
45°
18
66°
48°
19
68°
46°
20
68°
47°
21
63°
40°
22
58°
40°
23
58°
39°
24
61°
40°
25
62°
43°
26
63°
46°
27
62°
46°
28
61°
42°
29
66°
46°
30
64°
43°
31
64°
47°
1
63°
48°
2
65°
48°
3
65°
51°
4
66°
51°
5
66°
46°
6
67°
50°
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 41° to 68°, with overnight lows between 25° and 51°. The average high for May is 60° with an average low of 41°. 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.
