S
M
T
W
T
F
S
26
74°
58°
27
73°
51°
28
74°
56°
29
74°
56°
30
75°
48°
31
72°
51°
1
71°
55°
2
74°
55°
3
75°
53°
4
74°
51°
5
74°
54°
6
73°
56°
7
74°
56°
8
75°
55°
9
75°
53°
10
74°
48°
11
73°
48°
12
70°
49°
13
72°
47°
14
70°
48°
15
72°
50°
16
73°
55°
17
74°
56°
18
73°
56°
19
74°
57°
20
76°
57°
21
74°
55°
22
74°
52°
23
73°
55°
24
73°
52°
25
66°
53°
26
66°
53°
27
65°
48°
28
63°
46°
29
64°
45°
30
65°
46°
31
66°
48°
1
65°
54°
2
63°
54°
3
63°
53°
4
64°
53°
5
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mill Bay
Mill Bay's August 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 45° and 58°. The average high for August is 71° with an average low of 52°. 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 Mill Bay. See also: September | October | November.
