S
M
T
W
T
F
S
26
64°
43°
27
70°
45°
28
57°
45°
29
68°
43°
30
72°
46°
1
68°
48°
2
64°
46°
3
63°
48°
4
64°
50°
5
63°
45°
6
59°
43°
7
59°
41°
8
64°
46°
9
70°
48°
10
55°
39°
11
57°
36°
12
59°
36°
13
57°
41°
14
57°
37°
15
54°
37°
16
57°
39°
17
57°
43°
18
55°
45°
19
61°
50°
20
61°
50°
21
72°
50°
22
77°
54°
23
N/A
24
87°
55°
25
88°
59°
26
92°
59°
27
83°
54°
28
78°
54°
29
81°
57°
30
77°
57°
31
75°
55°
1
74°
55°
2
67°
51°
3
65°
50°
4
66°
51°
5
63°
49°
6
63°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Wilton
Wilton's May 2026 forecast shows daily high temperatures ranging from 63° to 92°, with overnight lows between 47° and 59°. The average high for May is 76° 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.
