S
M
T
W
T
F
S
26
70°
42°
27
72°
53°
28
65°
49°
29
52°
35°
30
55°
32°
1
53°
32°
2
63°
30°
3
72°
45°
4
80°
42°
5
59°
35°
6
55°
31°
7
63°
28°
8
71°
29°
9
69°
41°
10
65°
32°
11
63°
31°
12
78°
43°
13
63°
40°
14
70°
53°
15
79°
60°
16
80°
56°
17
73°
61°
18
77°
58°
19
64°
46°
20
60°
49°
21
62°
47°
22
66°
52°
23
68°
50°
24
70°
53°
25
71°
57°
26
72°
51°
27
67°
56°
28
70°
55°
29
67°
53°
30
67°
51°
31
68°
51°
1
68°
48°
2
69°
48°
3
69°
53°
4
70°
60°
5
79°
61°
6
79°
61°
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 60° to 80°, with overnight lows between 40° and 61°. The average high for May is 70° 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.
