S
M
T
W
T
F
S
26
95°
72°
27
95°
73°
28
94°
73°
29
94°
72°
30
95°
73°
31
94°
72°
1
91°
70°
2
86°
70°
3
85°
69°
4
86°
71°
5
89°
71°
6
91°
70°
7
89°
70°
8
89°
69°
9
90°
70°
10
91°
70°
11
90°
69°
12
91°
70°
13
90°
70°
14
92°
69°
15
92°
69°
16
90°
66°
17
87°
67°
18
90°
68°
19
89°
65°
20
91°
62°
21
86°
61°
22
85°
61°
23
85°
62°
24
86°
61°
25
86°
61°
26
87°
62°
27
91°
62°
28
92°
66°
29
92°
67°
30
91°
67°
31
92°
66°
1
92°
67°
2
91°
65°
3
90°
62°
4
86°
62°
5
88°
63°
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 85° to 95°, with overnight lows between 61° and 73°. The average high for August is 90° with an average low of 67°. 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.