S
M
T
W
T
F
S
26
54°
40°
27
55°
40°
28
54°
37°
29
52°
39°
30
52°
40°
1
53°
40°
2
52°
38°
3
52°
38°
4
53°
37°
5
52°
37°
6
52°
38°
7
53°
39°
8
53°
44°
9
58°
43°
10
54°
44°
11
55°
43°
12
54°
39°
13
54°
40°
14
56°
40°
15
61°
44°
16
62°
45°
17
61°
46°
18
62°
46°
19
62°
45°
20
60°
46°
21
59°
45°
22
62°
46°
23
60°
45°
24
59°
46°
25
62°
43°
26
63°
48°
27
64°
42°
28
60°
45°
29
60°
48°
30
63°
42°
31
59°
48°
1
63°
47°
2
65°
43°
3
60°
44°
4
60°
45°
5
61°
43°
6
60°
44°
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 52° to 65°, with overnight lows between 37° and 48°. The average high for May is 58° with an average low of 43°. 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.
