S
M
T
W
T
F
S
26
80°
57°
27
81°
57°
28
81°
58°
29
82°
58°
30
81°
59°
31
82°
62°
1
86°
63°
2
87°
63°
3
87°
64°
4
86°
63°
5
86°
57°
6
81°
57°
7
78°
56°
8
80°
56°
9
80°
57°
10
81°
57°
11
82°
60°
12
83°
61°
13
84°
62°
14
85°
61°
15
85°
63°
16
86°
62°
17
85°
62°
18
82°
59°
19
81°
58°
20
78°
58°
21
78°
61°
22
79°
61°
23
78°
57°
24
81°
57°
25
81°
61°
26
83°
55°
27
82°
55°
28
79°
60°
29
76°
60°
30
83°
59°
31
82°
60°
1
83°
59°
2
81°
60°
3
82°
57°
4
82°
53°
5
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Millbrook
Millbrook's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 51° and 64°. The average high for August is 82° with an average low of 59°. 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 Millbrook. See also: September | October | November.