S
M
T
W
T
F
S
26
84°
66°
27
81°
60°
28
80°
61°
29
82°
66°
30
81°
61°
31
81°
60°
1
82°
61°
2
80°
60°
3
80°
60°
4
81°
61°
5
80°
60°
6
80°
61°
7
81°
62°
8
81°
65°
9
82°
67°
10
82°
66°
11
81°
64°
12
83°
66°
13
86°
61°
14
86°
59°
15
79°
59°
16
80°
60°
17
80°
61°
18
82°
60°
19
80°
59°
20
78°
56°
21
79°
59°
22
79°
60°
23
77°
58°
24
78°
57°
25
78°
64°
26
82°
65°
27
84°
65°
28
86°
64°
29
86°
56°
30
84°
56°
31
77°
60°
1
79°
62°
2
77°
62°
3
81°
55°
4
77°
60°
5
77°
62°
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 77° to 86°, with overnight lows between 55° and 67°. The average high for August is 81° with an average low of 61°. 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.