S
M
T
W
T
F
S
26
94°
72°
27
99°
74°
28
86°
60°
29
87°
56°
30
89°
58°
31
72°
64°
1
79°
62°
2
82°
59°
3
85°
54°
4
86°
65°
5
74°
63°
6
84°
60°
7
85°
65°
8
81°
59°
9
80°
68°
10
83°
72°
11
85°
70°
12
85°
66°
13
78°
66°
14
82°
65°
15
83°
66°
16
85°
63°
17
82°
65°
18
82°
68°
19
77°
66°
20
79°
61°
21
80°
57°
22
80°
52°
23
78°
52°
24
77°
59°
25
78°
63°
26
79°
58°
27
77°
58°
28
73°
58°
29
74°
57°
30
74°
57°
31
75°
59°
1
77°
58°
2
73°
56°
3
77°
54°
4
72°
60°
5
73°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Middleton
Middleton's August 2026 forecast shows daily high temperatures ranging from 72° to 80°, with overnight lows between 52° and 63°. The average high for August is 76° with an average low of 57°. 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 Middleton. See also: September | October | November.