S
M
T
W
T
F
S
26
55°
41°
27
55°
43°
28
54°
39°
29
54°
34°
30
50°
32°
1
53°
32°
2
65°
43°
3
66°
52°
4
63°
32°
5
52°
32°
6
49°
30°
7
59°
40°
8
66°
39°
9
62°
40°
10
65°
44°
11
65°
43°
12
66°
42°
13
69°
43°
14
68°
44°
15
62°
43°
16
63°
44°
17
62°
48°
18
67°
50°
19
73°
50°
20
73°
51°
21
67°
44°
22
62°
42°
23
62°
41°
24
63°
42°
25
66°
46°
26
64°
46°
27
66°
47°
28
65°
45°
29
67°
51°
30
71°
46°
31
67°
49°
1
67°
52°
2
68°
50°
3
68°
53°
4
69°
52°
5
70°
48°
6
70°
50°
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 49° to 73°, with overnight lows between 30° and 53°. The average high for May is 65° with an average low of 44°. 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.