S
M
T
W
T
F
S
27
73°
55°
28
74°
51°
29
69°
53°
30
80°
52°
1
87°
49°
2
88°
51°
3
65°
53°
4
67°
55°
5
74°
47°
6
65°
38°
7
77°
39°
8
78°
46°
9
74°
41°
10
N/A
11
65°
59°
12
75°
53°
13
82°
60°
14
84°
59°
15
69°
54°
16
69°
47°
17
60°
38°
18
59°
39°
19
60°
42°
20
61°
40°
21
64°
41°
22
61°
41°
23
60°
40°
24
56°
34°
25
57°
34°
26
64°
38°
27
66°
36°
28
56°
33°
29
54°
32°
30
54°
33°
31
61°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Dayton
Dayton's October 2026 forecast shows daily high temperatures ranging from 54° to 84°, with overnight lows between 32° and 60°. The average high for October is 64° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Dayton. See also: November | December | January.