S
M
T
W
T
F
S
26
75°
61°
27
77°
57°
28
82°
61°
29
90°
61°
30
79°
61°
31
75°
59°
1
75°
55°
2
79°
55°
3
88°
57°
4
81°
61°
5
75°
55°
6
70°
54°
7
75°
54°
8
81°
52°
9
86°
57°
10
75°
57°
11
75°
55°
12
90°
57°
13
95°
61°
14
90°
68°
15
77°
61°
16
77°
57°
17
76°
61°
18
74°
57°
19
74°
53°
20
70°
51°
21
67°
50°
22
69°
48°
23
70°
49°
24
70°
52°
25
71°
53°
26
71°
55°
27
69°
54°
28
70°
54°
29
69°
52°
30
70°
54°
31
70°
54°
1
69°
52°
2
69°
54°
3
67°
52°
4
69°
49°
5
68°
53°
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 67° to 76°, with overnight lows between 48° and 61°. The average high for August is 70° with an average low of 53°. 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.