S
M
T
W
T
F
S
28
68°
50°
29
68°
50°
30
66°
50°
1
68°
45°
2
57°
54°
3
64°
54°
4
66°
54°
5
73°
50°
6
79°
53°
7
68°
51°
8
73°
50°
9
61°
55°
10
70°
55°
11
64°
52°
12
66°
48°
13
73°
46°
14
81°
54°
15
86°
56°
16
81°
61°
17
72°
55°
18
77°
51°
19
78°
53°
20
95°
59°
21
92°
59°
22
89°
58°
23
88°
57°
24
89°
54°
25
86°
54°
26
85°
55°
27
87°
54°
28
86°
52°
29
84°
55°
30
81°
52°
31
85°
54°
1
86°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Big Bay
Big Bay's July 2026 forecast shows daily high temperatures ranging from 72° to 95°, with overnight lows between 51° and 61°. The average high for July is 85° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Big Bay. See also: August | September | October.