S
M
T
W
T
F
S
26
58°
37°
27
64°
34°
28
55°
36°
29
51°
44°
30
54°
44°
1
62°
44°
2
57°
41°
3
54°
39°
4
72°
41°
5
80°
51°
6
70°
57°
7
64°
45°
8
61°
37°
9
53°
36°
10
70°
50°
11
61°
39°
12
62°
38°
13
63°
38°
14
59°
50°
15
54°
45°
16
78°
45°
17
87°
56°
18
69°
54°
19
95°
72°
20
93°
52°
21
66°
44°
22
62°
47°
23
56°
48°
24
56°
49°
25
63°
51°
26
67°
52°
27
71°
54°
28
73°
54°
29
70°
53°
30
74°
57°
31
79°
58°
1
77°
52°
2
66°
52°
3
66°
53°
4
67°
56°
5
67°
56°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middleton
Middleton's May 2026 forecast shows daily high temperatures ranging from 56° to 95°, with overnight lows between 44° and 72°. The average high for May is 71° with an average low of 53°. 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 Middleton. See also: June | July | August.
