S
M
T
W
T
F
S
31
77°
64°
1
79°
63°
2
81°
59°
3
81°
54°
4
84°
54°
5
84°
60°
6
86°
67°
7
84°
68°
8
81°
68°
9
82°
68°
10
83°
66°
11
87°
68°
12
88°
69°
13
87°
68°
14
85°
68°
15
85°
67°
16
83°
64°
17
82°
65°
18
86°
66°
19
88°
70°
20
91°
68°
21
88°
67°
22
88°
68°
23
87°
68°
24
86°
69°
25
87°
69°
26
89°
68°
27
88°
69°
28
86°
69°
29
85°
68°
30
83°
69°
1
83°
67°
2
82°
64°
3
82°
63°
4
83°
64°
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 81° to 91°, with overnight lows between 60° and 70°. The average high for June is 85° with an average low of 67°. 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.
