S
M
T
W
T
F
S
31
81°
51°
1
75°
61°
2
79°
52°
3
83°
48°
4
85°
54°
5
85°
62°
6
84°
66°
7
80°
68°
8
81°
69°
9
85°
68°
10
88°
72°
11
90°
69°
12
88°
69°
13
87°
65°
14
79°
58°
15
80°
60°
16
79°
60°
17
80°
61°
18
79°
62°
19
78°
61°
20
78°
61°
21
82°
66°
22
78°
65°
23
78°
62°
24
82°
65°
25
84°
66°
26
85°
67°
27
83°
63°
28
79°
59°
29
78°
60°
30
80°
66°
1
80°
66°
2
82°
67°
3
83°
66°
4
80°
60°
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 78° to 90°, with overnight lows between 58° and 72°. The average high for June is 82° with an average low of 64°. 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.
