S
M
T
W
T
F
S
26
73°
55°
27
78°
54°
28
77°
60°
29
68°
54°
30
62°
44°
1
61°
42°
2
57°
38°
3
65°
35°
4
80°
61°
5
68°
51°
6
60°
45°
7
60°
43°
8
68°
49°
9
69°
52°
10
70°
56°
11
68°
50°
12
67°
53°
13
72°
56°
14
71°
52°
15
70°
54°
16
73°
58°
17
79°
56°
18
75°
61°
19
76°
61°
20
78°
58°
21
76°
54°
22
72°
52°
23
70°
52°
24
72°
55°
25
70°
56°
26
72°
54°
27
72°
55°
28
74°
56°
29
75°
56°
30
76°
61°
31
78°
64°
1
76°
61°
2
77°
58°
3
77°
61°
4
78°
61°
5
79°
65°
6
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middletown
Middletown's May 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 43° and 67°. The average high for May is 73° with an average low of 56°. 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 Middletown. See also: June | July | August.
