S
M
T
W
T
F
S
26
64°
32°
27
71°
35°
28
65°
37°
29
62°
42°
30
49°
42°
1
58°
38°
2
49°
39°
3
52°
37°
4
70°
38°
5
83°
52°
6
66°
48°
7
59°
38°
8
56°
31°
9
52°
32°
10
68°
45°
11
59°
42°
12
57°
33°
13
47°
36°
14
54°
44°
15
59°
48°
16
78°
48°
17
82°
60°
18
76°
51°
19
90°
54°
20
85°
63°
21
63°
44°
22
68°
35°
23
65°
40°
24
51°
47°
25
73°
48°
26
83°
50°
27
83°
57°
28
70°
49°
29
67°
50°
30
52°
36°
31
65°
44°
1
60°
41°
2
68°
45°
3
74°
47°
4
76°
54°
5
80°
58°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alton Town
Alton Town's May 2026 forecast shows daily high temperatures ranging from 52° to 80°, with overnight lows between 36° and 58°. The average high for May is 69° 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 Alton Town. See also: June | July | August.
