S
M
T
W
T
F
S
26
56°
36°
27
56°
35°
28
57°
38°
29
60°
35°
30
57°
37°
1
62°
46°
2
59°
45°
3
59°
40°
4
58°
38°
5
58°
38°
6
66°
49°
7
70°
42°
8
60°
43°
9
61°
42°
10
60°
41°
11
62°
51°
12
72°
52°
13
63°
49°
14
63°
47°
15
64°
43°
16
64°
45°
17
69°
53°
18
66°
56°
19
72°
54°
20
67°
49°
21
69°
51°
22
74°
53°
23
73°
56°
24
76°
58°
25
75°
55°
26
77°
57°
27
78°
57°
28
79°
56°
29
80°
57°
30
77°
51°
31
78°
50°
1
72°
49°
2
72°
48°
3
73°
51°
4
73°
57°
5
74°
60°
6
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Allison
Allison's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 35° and 60°. The average high for May is 68° with an average low of 48°. 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 Allison. See also: June | July | August.
