S
M
T
W
T
F
S
26
84°
63°
27
84°
63°
28
83°
62°
29
80°
63°
30
79°
63°
31
84°
62°
1
83°
63°
2
84°
63°
3
85°
63°
4
85°
63°
5
84°
62°
6
80°
61°
7
79°
59°
8
78°
56°
9
78°
56°
10
78°
55°
11
78°
62°
12
83°
62°
13
84°
61°
14
83°
55°
15
77°
54°
16
77°
57°
17
80°
61°
18
77°
55°
19
79°
54°
20
78°
54°
21
80°
55°
22
81°
55°
23
82°
54°
24
82°
53°
25
80°
53°
26
81°
58°
27
82°
59°
28
78°
57°
29
81°
60°
30
82°
56°
31
80°
51°
1
75°
50°
2
74°
51°
3
74°
50°
4
75°
50°
5
73°
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 73° to 85°, with overnight lows between 50° and 63°. The average high for August is 80° with an average low of 58°. 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.