S
M
T
W
T
F
S
26
58°
42°
27
69°
45°
28
65°
51°
29
54°
36°
30
52°
32°
1
48°
30°
2
57°
28°
3
68°
45°
4
80°
43°
5
58°
40°
6
55°
31°
7
61°
29°
8
69°
29°
9
67°
37°
10
60°
34°
11
60°
38°
12
64°
44°
13
55°
40°
14
66°
45°
15
71°
48°
16
72°
53°
17
72°
52°
18
71°
49°
19
70°
51°
20
72°
53°
21
72°
55°
22
71°
49°
23
73°
53°
24
75°
55°
25
76°
57°
26
77°
57°
27
77°
58°
28
76°
57°
29
77°
57°
30
75°
56°
31
72°
52°
1
69°
51°
2
68°
57°
3
75°
58°
4
77°
58°
5
76°
57°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Turtle Lake
Turtle Lake's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 34° and 58°. The average high for May is 71° with an average low of 51°. 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 Turtle Lake. See also: June | July | August.