S
M
T
W
T
F
S
27
66°
59°
28
77°
57°
29
79°
57°
30
72°
66°
1
70°
55°
2
68°
50°
3
72°
48°
4
73°
50°
5
75°
45°
6
81°
50°
7
81°
55°
8
77°
56°
9
84°
60°
10
85°
56°
11
82°
61°
12
80°
49°
13
63°
52°
14
59°
52°
15
62°
46°
16
56°
40°
17
56°
41°
18
61°
44°
19
63°
46°
20
64°
47°
21
60°
41°
22
58°
46°
23
55°
42°
24
62°
46°
25
64°
44°
26
61°
40°
27
62°
37°
28
50°
33°
29
52°
44°
30
61°
42°
31
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Knoxville
Knoxville's October 2026 forecast shows daily high temperatures ranging from 50° to 85°, with overnight lows between 33° and 61°. The average high for October is 64° with an average low of 46°. 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 Knoxville. See also: November | December | January.