S
M
T
W
T
F
S
28
70°
55°
29
71°
57°
30
72°
57°
1
74°
54°
2
73°
55°
3
67°
54°
4
68°
55°
5
68°
59°
6
69°
59°
7
72°
61°
8
72°
60°
9
70°
60°
10
70°
61°
11
74°
60°
12
70°
57°
13
69°
58°
14
70°
61°
15
71°
61°
16
70°
56°
17
68°
55°
18
69°
57°
19
69°
58°
20
70°
57°
21
69°
56°
22
69°
59°
23
70°
62°
24
71°
62°
25
74°
61°
26
73°
61°
27
72°
58°
28
71°
58°
29
76°
57°
30
73°
55°
31
74°
57°
1
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dayton
Dayton's July 2026 forecast shows daily high temperatures ranging from 67° to 76°, with overnight lows between 53° and 62°. The average high for July is 71° with an average low of 58°. 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 Dayton. See also: August | September | October.
