S
M
T
W
T
F
S
28
78°
51°
29
81°
57°
30
N/A
1
92°
71°
2
87°
66°
3
88°
61°
4
78°
59°
5
82°
56°
6
84°
59°
7
84°
57°
8
85°
56°
9
87°
61°
10
83°
59°
11
81°
58°
12
82°
59°
13
80°
54°
14
75°
54°
15
76°
59°
16
77°
59°
17
77°
60°
18
76°
60°
19
76°
59°
20
78°
61°
21
81°
61°
22
83°
60°
23
84°
62°
24
85°
61°
25
84°
62°
26
85°
63°
27
85°
62°
28
84°
61°
29
83°
60°
30
76°
59°
31
75°
58°
1
76°
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 92°, with overnight lows between 54° and 71°. The average high for July is 82° with an average low of 60°. 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.