S
M
T
W
T
F
S
26
70°
32°
27
59°
43°
28
55°
40°
29
67°
36°
30
77°
39°
1
76°
43°
2
76°
45°
3
81°
47°
4
76°
47°
5
66°
47°
6
58°
47°
7
64°
45°
8
64°
42°
9
69°
40°
10
64°
42°
11
72°
42°
12
81°
53°
13
64°
49°
14
61°
43°
15
52°
41°
16
55°
37°
17
59°
41°
18
64°
47°
19
64°
45°
20
66°
43°
21
69°
47°
22
65°
43°
23
70°
45°
24
64°
44°
25
64°
45°
26
65°
48°
27
65°
47°
28
63°
50°
29
62°
44°
30
65°
44°
31
70°
48°
1
70°
51°
2
63°
51°
3
63°
46°
4
62°
46°
5
62°
47°
6
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Allyn
Allyn's May 2026 forecast shows daily high temperatures ranging from 52° to 70°, with overnight lows between 37° and 51°. The average high for May is 64° with an average low of 45°. 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 Allyn. See also: June | July | August.
