S
M
T
W
T
F
S
28
79°
64°
29
86°
61°
30
90°
66°
1
91°
73°
2
93°
73°
3
93°
68°
4
91°
64°
5
86°
64°
6
82°
66°
7
82°
64°
8
84°
66°
9
84°
64°
10
81°
66°
11
81°
63°
12
84°
64°
13
84°
61°
14
88°
63°
15
93°
68°
16
90°
61°
17
87°
68°
18
79°
67°
19
81°
60°
20
81°
63°
21
80°
56°
22
75°
56°
23
76°
57°
24
78°
57°
25
79°
58°
26
81°
60°
27
80°
61°
28
79°
58°
29
78°
55°
30
78°
61°
31
84°
61°
1
79°
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 75° to 93°, with overnight lows between 55° and 68°. The average high for July is 81° 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 Dayton. See also: August | September | October.
