S
M
T
W
T
F
S
31
67°
31°
1
64°
42°
2
76°
36°
3
82°
49°
4
86°
54°
5
87°
62°
6
84°
61°
7
68°
48°
8
66°
48°
9
73°
52°
10
75°
54°
11
79°
56°
12
74°
53°
13
73°
54°
14
75°
55°
15
76°
57°
16
77°
52°
17
75°
56°
18
76°
57°
19
78°
56°
20
76°
54°
21
78°
53°
22
72°
50°
23
72°
50°
24
73°
58°
25
74°
59°
26
80°
52°
27
74°
52°
28
74°
53°
29
75°
53°
30
74°
54°
1
74°
53°
2
75°
55°
3
81°
60°
4
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Dayton
Dayton's June 2026 forecast shows daily high temperatures ranging from 66° to 87°, with overnight lows between 48° and 62°. The average high for June is 76° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Dayton. See also: July | August | September.
