S
M
T
W
T
F
S
26
67°
48°
27
67°
47°
28
67°
53°
29
71°
53°
30
74°
52°
1
68°
50°
2
68°
50°
3
67°
54°
4
77°
53°
5
68°
48°
6
66°
47°
7
68°
48°
8
71°
52°
9
72°
49°
10
68°
48°
11
68°
48°
12
69°
52°
13
77°
58°
14
80°
58°
15
80°
59°
16
81°
58°
17
77°
58°
18
72°
56°
19
73°
56°
20
76°
59°
21
79°
55°
22
76°
54°
23
73°
55°
24
74°
54°
25
76°
55°
26
78°
61°
27
81°
62°
28
84°
56°
29
84°
58°
30
75°
61°
31
77°
62°
1
84°
57°
2
82°
55°
3
78°
55°
4
76°
56°
5
77°
58°
6
79°
60°
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 66° to 84°, with overnight lows between 47° and 62°. The average high for May is 74° with an average low of 54°. 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.
