S
M
T
W
T
F
S
26
82°
59°
27
82°
59°
28
83°
60°
29
83°
59°
30
82°
59°
31
83°
63°
1
87°
65°
2
88°
65°
3
88°
64°
4
87°
64°
5
87°
59°
6
82°
58°
7
80°
57°
8
81°
58°
9
82°
58°
10
82°
59°
11
85°
61°
12
84°
62°
13
85°
63°
14
86°
64°
15
86°
64°
16
87°
63°
17
87°
63°
18
84°
61°
19
83°
60°
20
80°
59°
21
81°
63°
22
81°
63°
23
82°
59°
24
83°
59°
25
83°
62°
26
85°
57°
27
85°
57°
28
82°
62°
29
79°
62°
30
86°
61°
31
84°
62°
1
85°
61°
2
84°
62°
3
85°
60°
4
84°
56°
5
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Millstone
Millstone's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 54° and 65°. The average high for August is 84° with an average low of 61°. 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 Millstone. See also: September | October | November.