S
M
T
W
T
F
S
26
79°
46°
27
75°
54°
28
64°
50°
29
61°
39°
30
57°
36°
1
57°
37°
2
61°
36°
3
73°
46°
4
84°
41°
5
59°
46°
6
57°
36°
7
66°
32°
8
72°
43°
9
77°
48°
10
70°
43°
11
72°
43°
12
81°
52°
13
71°
44°
14
76°
56°
15
83°
62°
16
82°
61°
17
84°
67°
18
80°
56°
19
67°
50°
20
69°
52°
21
67°
49°
22
73°
53°
23
72°
51°
24
74°
56°
25
78°
57°
26
75°
54°
27
76°
59°
28
75°
58°
29
72°
55°
30
70°
55°
31
71°
54°
1
71°
52°
2
72°
52°
3
72°
59°
4
75°
62°
5
82°
63°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wilton
Wilton's May 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 44° and 67°. The average high for May is 75° with an average low of 56°. 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 Wilton. See also: June | July | August.
