S
M
T
W
T
F
S
26
67°
28°
27
74°
30°
28
68°
39°
29
58°
40°
30
47°
29°
1
51°
28°
2
48°
33°
3
58°
29°
4
65°
42°
5
63°
44°
6
58°
31°
7
51°
36°
8
54°
35°
9
66°
35°
10
53°
41°
11
53°
30°
12
57°
28°
13
48°
41°
14
50°
43°
15
69°
43°
16
74°
44°
17
69°
47°
18
76°
48°
19
84°
62°
20
67°
42°
21
56°
36°
22
68°
33°
23
68°
40°
24
56°
51°
25
71°
50°
26
76°
47°
27
69°
50°
28
68°
48°
29
68°
45°
30
72°
43°
31
71°
42°
1
70°
43°
2
73°
47°
3
81°
50°
4
81°
53°
5
74°
55°
6
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Otter Lake
Otter Lake's May 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 42° and 55°. The average high for May is 75° with an average low of 49°. 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 Otter Lake. See also: June | July | August.