S
M
T
W
T
F
S
28
84°
56°
29
86°
66°
30
87°
69°
1
84°
68°
2
82°
68°
3
81°
67°
4
82°
65°
5
83°
60°
6
83°
55°
7
83°
58°
8
83°
62°
9
73°
58°
10
77°
58°
11
83°
60°
12
85°
64°
13
87°
68°
14
86°
67°
15
81°
64°
16
81°
65°
17
80°
62°
18
80°
61°
19
81°
62°
20
79°
64°
21
80°
63°
22
76°
62°
23
73°
64°
24
80°
67°
25
81°
66°
26
81°
67°
27
79°
67°
28
77°
66°
29
76°
65°
30
74°
64°
31
72°
64°
1
72°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Petoskey
Petoskey's July 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 58° and 68°. The average high for July is 79° with an average low of 64°. 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 Petoskey. See also: August | September | October.