S
M
T
W
T
F
S
26
88°
68°
27
89°
73°
28
91°
71°
29
85°
68°
30
69°
62°
1
62°
52°
2
74°
51°
3
79°
49°
4
79°
52°
5
80°
61°
6
81°
60°
7
73°
57°
8
68°
65°
9
78°
64°
10
85°
64°
11
78°
53°
12
81°
58°
13
84°
63°
14
85°
65°
15
86°
66°
16
84°
66°
17
84°
67°
18
85°
71°
19
87°
68°
20
86°
69°
21
85°
65°
22
84°
69°
23
83°
68°
24
85°
69°
25
86°
69°
26
84°
68°
27
84°
69°
28
85°
69°
29
84°
68°
30
84°
68°
31
85°
67°
1
85°
67°
2
86°
69°
3
84°
70°
4
83°
71°
5
84°
71°
6
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Otis
Otis's May 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 53° and 72°. The average high for May is 84° with an average low of 67°. 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 Otis. See also: June | July | August.