S
M
T
W
T
F
S
26
66°
50°
27
70°
45°
28
75°
45°
29
81°
48°
30
84°
50°
1
84°
50°
2
73°
50°
3
71°
54°
4
67°
53°
5
68°
53°
6
79°
54°
7
81°
51°
8
87°
56°
9
93°
58°
10
96°
61°
11
97°
63°
12
97°
60°
13
99°
58°
14
93°
57°
15
90°
58°
16
81°
52°
17
85°
57°
18
84°
56°
19
84°
57°
20
86°
57°
21
85°
56°
22
85°
56°
23
86°
57°
24
87°
58°
25
87°
57°
26
86°
57°
27
85°
56°
28
83°
56°
29
81°
57°
30
81°
57°
31
82°
58°
1
85°
58°
2
87°
57°
3
87°
58°
4
84°
58°
5
85°
57°
6
80°
55°
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 99°, with overnight lows between 51° and 63°. The average high for May is 85° with an average low of 57°. 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.
