S
M
T
W
T
F
S
26
84°
48°
27
85°
50°
28
86°
53°
29
84°
56°
30
85°
47°
31
80°
48°
1
80°
48°
2
81°
52°
3
80°
47°
4
80°
53°
5
81°
51°
6
84°
48°
7
82°
49°
8
84°
48°
9
85°
50°
10
83°
52°
11
81°
56°
12
77°
48°
13
80°
51°
14
83°
54°
15
81°
54°
16
80°
55°
17
78°
52°
18
79°
47°
19
78°
49°
20
80°
56°
21
80°
51°
22
78°
49°
23
85°
54°
24
76°
52°
25
78°
55°
26
Hist. Avg.
82°
52°
27
Hist. Avg.
82°
52°
28
Hist. Avg.
81°
52°
29
Hist. Avg.
81°
52°
30
Hist. Avg.
81°
52°
31
Hist. Avg.
81°
52°
1
Hist. Avg.
81°
52°
2
Hist. Avg.
81°
52°
3
Hist. Avg.
80°
52°
4
Hist. Avg.
80°
52°
5
Hist. Avg.
80°
52°
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 76° to 86°, with overnight lows between 47° and 56°. The average high for August is 81° with an average low of 51°. 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.
