S
M
T
W
T
F
S
26
76°
52°
27
74°
48°
28
72°
54°
29
76°
52°
30
77°
50°
31
76°
52°
1
75°
53°
2
72°
52°
3
70°
50°
4
76°
52°
5
78°
53°
6
77°
47°
7
74°
47°
8
71°
48°
9
71°
49°
10
72°
46°
11
76°
47°
12
75°
49°
13
76°
51°
14
77°
48°
15
76°
46°
16
73°
45°
17
72°
45°
18
72°
44°
19
71°
45°
20
70°
46°
21
69°
48°
22
70°
45°
23
69°
48°
24
73°
49°
25
75°
50°
26
76°
51°
27
75°
47°
28
74°
45°
29
73°
46°
30
74°
50°
31
73°
50°
1
69°
51°
2
67°
51°
3
71°
50°
4
66°
46°
5
68°
47°
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 66° to 78°, with overnight lows between 44° and 54°. The average high for August is 73° with an average low of 49°. 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.
