S
M
T
W
T
F
S
26
69°
42°
27
69°
51°
28
63°
48°
29
53°
35°
30
53°
31°
1
50°
31°
2
60°
28°
3
70°
46°
4
79°
40°
5
57°
36°
6
54°
32°
7
61°
30°
8
69°
34°
9
68°
44°
10
63°
33°
11
61°
33°
12
77°
42°
13
64°
41°
14
71°
33°
15
81°
55°
16
83°
60°
17
60°
56°
18
79°
65°
19
69°
45°
20
63°
42°
21
61°
44°
22
63°
47°
23
70°
49°
24
80°
54°
25
83°
56°
26
79°
55°
27
75°
53°
28
76°
52°
29
78°
53°
30
74°
51°
31
76°
55°
1
77°
57°
2
77°
56°
3
69°
52°
4
69°
51°
5
72°
57°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Otsego
Otsego's May 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 42° and 65°. The average high for May is 73° with an average low of 53°. 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 Otsego. See also: June | July | August.