S
M
T
W
T
F
S
26
66°
34°
27
75°
45°
28
64°
39°
29
51°
35°
30
40°
35°
1
43°
30°
2
47°
27°
3
58°
31°
4
69°
37°
5
51°
37°
6
44°
31°
7
48°
31°
8
54°
32°
9
57°
42°
10
47°
35°
11
49°
29°
12
51°
30°
13
49°
40°
14
58°
38°
15
71°
38°
16
76°
52°
17
63°
47°
18
73°
50°
19
N/A
20
53°
29°
21
60°
34°
22
63°
44°
23
58°
46°
24
62°
43°
25
66°
47°
26
74°
46°
27
75°
47°
28
77°
51°
29
75°
48°
30
76°
51°
31
75°
50°
1
69°
45°
2
70°
50°
3
66°
49°
4
66°
46°
5
67°
50°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Alanson
Alanson's May 2026 forecast shows daily high temperatures ranging from 53° to 77°, with overnight lows between 29° and 52°. The average high for May is 68° with an average low of 46°. 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 Alanson. See also: June | July | August.