S
M
T
W
T
F
S
26
61°
34°
27
62°
32°
28
68°
35°
29
70°
44°
30
72°
37°
1
76°
41°
2
82°
42°
3
82°
44°
4
82°
51°
5
80°
51°
6
79°
48°
7
79°
52°
8
80°
48°
9
77°
49°
10
89°
44°
11
83°
55°
12
93°
49°
13
78°
51°
14
74°
43°
15
72°
46°
16
63°
43°
17
63°
40°
18
70°
40°
19
71°
39°
20
74°
43°
21
75°
49°
22
79°
46°
23
87°
47°
24
88°
56°
25
92°
54°
26
67°
48°
27
72°
51°
28
80°
53°
29
73°
51°
30
78°
52°
31
82°
52°
1
79°
54°
2
85°
56°
3
87°
56°
4
88°
57°
5
87°
56°
6
83°
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 67° to 92°, with overnight lows between 48° and 57°. The average high for May is 82° 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 Middleton. See also: June | July | August.
