S
M
T
W
T
F
S
26
65°
44°
27
73°
50°
28
73°
54°
29
66°
53°
30
54°
41°
1
54°
37°
2
51°
38°
3
52°
43°
4
61°
51°
5
68°
46°
6
55°
43°
7
52°
40°
8
51°
41°
9
54°
43°
10
56°
46°
11
57°
47°
12
59°
46°
13
58°
47°
14
62°
48°
15
61°
49°
16
68°
48°
17
67°
49°
18
67°
49°
19
64°
46°
20
67°
50°
21
69°
50°
22
68°
51°
23
62°
42°
24
61°
43°
25
60°
43°
26
61°
47°
27
63°
45°
28
61°
45°
29
62°
46°
30
65°
48°
31
64°
53°
1
65°
48°
2
64°
46°
3
67°
54°
4
69°
51°
5
66°
54°
6
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Delson
Delson's May 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 38° and 56°. The average high for May is 62° with an average low of 47°. 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 Delson. See also: June | July | August.