S
M
T
W
T
F
S
28
78°
51°
29
81°
57°
30
89°
60°
1
85°
69°
2
82°
67°
3
84°
68°
4
76°
61°
5
77°
55°
6
78°
50°
7
90°
61°
8
85°
65°
9
75°
54°
10
83°
56°
11
86°
57°
12
87°
63°
13
89°
65°
14
85°
61°
15
82°
58°
16
80°
57°
17
79°
58°
18
80°
59°
19
81°
56°
20
79°
55°
21
75°
55°
22
76°
56°
23
77°
60°
24
79°
60°
25
80°
59°
26
79°
59°
27
76°
60°
28
80°
61°
29
80°
61°
30
81°
60°
31
81°
62°
1
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Onaway
Onaway's July 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 54° and 65°. The average high for July is 81° with an average low of 59°. 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 Onaway. See also: August | September | October.