S
M
T
W
T
F
S
27
79°
56°
28
81°
56°
29
80°
55°
30
77°
53°
1
82°
53°
2
82°
54°
3
80°
55°
4
82°
55°
5
81°
54°
6
79°
54°
7
80°
55°
8
81°
54°
9
76°
53°
10
79°
52°
11
70°
54°
12
73°
54°
13
74°
53°
14
78°
53°
15
79°
51°
16
77°
49°
17
78°
40°
18
68°
39°
19
66°
40°
20
66°
39°
21
65°
47°
22
68°
48°
23
74°
39°
24
66°
38°
25
62°
37°
26
63°
41°
27
67°
45°
28
68°
37°
29
69°
34°
30
61°
37°
31
70°
39°
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 61° to 82°, with overnight lows between 34° and 56°. The average high for October is 74° with an average low of 48°. 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.
