S
M
T
W
T
F
S
28
70°
48°
29
77°
41°
30
81°
50°
1
81°
46°
2
88°
54°
3
91°
55°
4
95°
59°
5
84°
63°
6
90°
56°
7
92°
56°
8
93°
51°
9
96°
56°
10
97°
58°
11
99°
59°
12
94°
62°
13
89°
60°
14
93°
61°
15
95°
62°
16
95°
61°
17
97°
61°
18
96°
60°
19
101°
54°
20
88°
60°
21
92°
60°
22
93°
59°
23
93°
61°
24
92°
61°
25
93°
60°
26
93°
61°
27
92°
60°
28
92°
60°
29
91°
59°
30
93°
60°
31
93°
61°
1
91°
59°
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 88° to 101°, with overnight lows between 51° and 62°. The average high for July is 93° 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 Dayton. See also: August | September | October.
