S
M
T
W
T
F
S
26
89°
68°
27
88°
69°
28
88°
65°
29
87°
69°
30
90°
68°
31
89°
69°
1
88°
68°
2
88°
62°
3
83°
61°
4
82°
61°
5
82°
60°
6
84°
62°
7
83°
61°
8
86°
64°
9
86°
65°
10
87°
62°
11
88°
65°
12
83°
66°
13
85°
68°
14
Hist. Avg.
85°
65°
15
Hist. Avg.
85°
65°
16
Hist. Avg.
85°
65°
17
Hist. Avg.
85°
64°
18
Hist. Avg.
85°
64°
19
Hist. Avg.
85°
64°
20
Hist. Avg.
84°
64°
21
Hist. Avg.
84°
64°
22
Hist. Avg.
84°
64°
23
Hist. Avg.
84°
64°
24
Hist. Avg.
84°
63°
25
Hist. Avg.
84°
63°
26
Hist. Avg.
84°
63°
27
Hist. Avg.
84°
63°
28
Hist. Avg.
84°
63°
29
Hist. Avg.
84°
62°
30
Hist. Avg.
83°
62°
31
Hist. Avg.
83°
62°
1
Hist. Avg.
83°
62°
2
Hist. Avg.
83°
61°
3
Hist. Avg.
82°
61°
4
Hist. Avg.
82°
61°
5
Hist. Avg.
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Dayton
Dayton's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 60° and 69°. The average high for August is 86° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Dayton. See also: September | October | November.
