S
M
T
W
T
F
S
28
87°
71°
29
93°
75°
30
97°
75°
1
95°
74°
2
95°
75°
3
97°
73°
4
93°
72°
5
90°
70°
6
87°
69°
7
85°
68°
8
86°
67°
9
86°
68°
10
87°
66°
11
88°
69°
12
86°
68°
13
83°
63°
14
81°
62°
15
82°
62°
16
82°
63°
17
83°
65°
18
84°
68°
19
85°
67°
20
83°
68°
21
84°
68°
22
83°
69°
23
82°
69°
24
84°
68°
25
87°
68°
26
86°
69°
27
86°
69°
28
87°
68°
29
85°
68°
30
85°
63°
31
81°
62°
1
79°
64°
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 79° to 97°, with overnight lows between 62° and 75°. The average high for July is 86° with an average low of 68°. 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.
