S
M
T
W
T
F
S
26
60°
39°
27
53°
34°
28
56°
38°
29
57°
35°
30
55°
39°
1
60°
46°
2
57°
46°
3
56°
41°
4
56°
37°
5
57°
37°
6
67°
48°
7
69°
42°
8
58°
42°
9
59°
40°
10
58°
39°
11
60°
50°
12
71°
49°
13
61°
48°
14
61°
43°
15
59°
42°
16
62°
47°
17
66°
53°
18
64°
55°
19
70°
52°
20
64°
48°
21
67°
51°
22
73°
54°
23
74°
55°
24
74°
56°
25
74°
56°
26
75°
57°
27
76°
56°
28
77°
53°
29
78°
55°
30
76°
50°
31
76°
48°
1
70°
48°
2
70°
47°
3
71°
50°
4
72°
55°
5
74°
59°
6
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spirit Lake
Spirit Lake's May 2026 forecast shows daily high temperatures ranging from 53° to 80°, with overnight lows between 34° and 59°. The average high for May is 66° 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 Spirit Lake. See also: June | July | August.
