S
M
T
W
T
F
S
26
48°
29°
27
40°
29°
28
36°
27°
29
35°
27°
30
35°
23°
1
50°
24°
2
57°
34°
3
63°
31°
4
42°
28°
5
33°
27°
6
34°
28°
7
46°
27°
8
48°
33°
9
39°
33°
10
46°
31°
11
57°
34°
12
55°
36°
13
68°
35°
14
74°
49°
15
55°
34°
16
39°
31°
17
49°
34°
18
44°
38°
19
42°
36°
20
62°
33°
21
66°
44°
22
69°
47°
23
54°
45°
24
72°
47°
25
77°
52°
26
83°
52°
27
82°
56°
28
90°
65°
29
86°
62°
30
81°
58°
31
81°
63°
1
82°
62°
2
81°
61°
3
77°
61°
4
79°
63°
5
80°
62°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gull Lake
Gull Lake's May 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 52° and 65°. The average high for May is 82° with an average low of 60°. 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 Gull Lake. See also: June | July | August.