S
M
T
W
T
F
S
26
29°
17°
27
46°
17°
28
55°
24°
29
60°
25°
30
70°
30°
1
68°
35°
2
70°
40°
3
69°
42°
4
54°
38°
5
51°
31°
6
69°
29°
7
69°
43°
8
69°
41°
9
66°
46°
10
72°
43°
11
64°
43°
12
74°
34°
13
72°
46°
14
64°
39°
15
61°
34°
16
47°
32°
17
52°
30°
18
58°
34°
19
64°
39°
20
65°
39°
21
63°
40°
22
61°
38°
23
59°
38°
24
63°
38°
25
66°
42°
26
70°
41°
27
66°
43°
28
62°
42°
29
60°
40°
30
63°
46°
31
67°
47°
1
67°
47°
2
65°
46°
3
62°
43°
4
62°
45°
5
61°
42°
6
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Allingham
Allingham's May 2026 forecast shows daily high temperatures ranging from 47° to 70°, with overnight lows between 30° and 47°. The average high for May is 62° with an average low of 40°. 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 Allingham. See also: June | July | August.