S
M
T
W
T
F
S
26
58°
42°
27
69°
41°
28
69°
43°
29
65°
49°
30
62°
48°
1
65°
49°
2
59°
43°
3
61°
44°
4
69°
55°
5
82°
58°
6
72°
53°
7
62°
45°
8
58°
44°
9
61°
50°
10
64°
53°
11
67°
51°
12
64°
52°
13
63°
51°
14
65°
52°
15
67°
54°
16
68°
54°
17
68°
51°
18
69°
58°
19
76°
58°
20
74°
57°
21
70°
59°
22
77°
55°
23
69°
55°
24
72°
56°
25
71°
53°
26
71°
56°
27
69°
57°
28
71°
61°
29
78°
61°
30
77°
60°
31
77°
59°
1
73°
54°
2
69°
54°
3
70°
55°
4
73°
55°
5
72°
56°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallington
Wallington's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 43° and 61°. The average high for May is 69° 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 Wallington. See also: June | July | August.