S
M
T
W
T
F
S
28
87°
55°
29
91°
54°
30
89°
58°
1
90°
58°
2
89°
56°
3
84°
60°
4
90°
58°
5
84°
59°
6
92°
57°
7
92°
57°
8
91°
58°
9
93°
58°
10
95°
53°
11
91°
55°
12
88°
56°
13
93°
59°
14
94°
54°
15
93°
54°
16
93°
55°
17
92°
50°
18
89°
55°
19
90°
56°
20
94°
56°
21
93°
53°
22
90°
54°
23
88°
59°
24
89°
51°
25
84°
58°
26
88°
57°
27
93°
56°
28
93°
58°
29
94°
61°
30
94°
59°
31
93°
59°
1
93°
58°
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 84° to 95°, with overnight lows between 50° and 61°. The average high for July is 91° with an average low of 56°. 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.
