S
M
T
W
T
F
S
26
87°
66°
27
88°
67°
28
89°
68°
29
89°
67°
30
88°
66°
31
87°
64°
1
84°
66°
2
88°
65°
3
88°
66°
4
89°
67°
5
90°
66°
6
90°
67°
7
86°
63°
8
89°
65°
9
89°
63°
10
88°
58°
11
82°
60°
12
83°
59°
13
86°
58°
14
85°
60°
15
83°
62°
16
81°
64°
17
83°
64°
18
82°
62°
19
82°
62°
20
81°
61°
21
81°
63°
22
82°
63°
23
81°
59°
24
83°
63°
25
87°
58°
26
87°
56°
27
81°
57°
28
81°
59°
29
80°
60°
30
79°
61°
31
83°
62°
1
82°
55°
2
79°
55°
3
79°
56°
4
80°
54°
5
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Middletown
Middletown's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 53° and 68°. The average high for August is 84° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Middletown. See also: September | October | November.
