S
M
T
W
T
F
S
26
92°
76°
27
96°
77°
28
98°
76°
29
94°
78°
30
96°
78°
31
95°
76°
1
93°
76°
2
90°
73°
3
88°
70°
4
92°
72°
5
95°
74°
6
94°
76°
7
92°
75°
8
96°
72°
9
96°
75°
10
95°
74°
11
98°
77°
12
100°
75°
13
102°
77°
14
97°
75°
15
95°
74°
16
99°
74°
17
100°
75°
18
97°
73°
19
98°
73°
20
98°
73°
21
94°
72°
22
92°
71°
23
95°
71°
24
91°
70°
25
92°
71°
26
91°
70°
27
90°
69°
28
91°
70°
29
90°
70°
30
89°
69°
31
86°
72°
1
86°
72°
2
85°
71°
3
86°
68°
4
85°
65°
5
84°
65°
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 84° to 100°, with overnight lows between 65° and 75°. The average high for August is 91° with an average low of 71°. 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.