S
M
T
W
T
F
S
27
86°
65°
28
85°
65°
29
84°
65°
30
85°
64°
1
85°
65°
2
84°
65°
3
84°
64°
4
82°
63°
5
81°
63°
6
82°
62°
7
82°
58°
8
71°
51°
9
70°
52°
10
75°
56°
11
80°
58°
12
80°
58°
13
79°
59°
14
80°
59°
15
79°
58°
16
80°
58°
17
76°
57°
18
78°
58°
19
75°
58°
20
75°
56°
21
73°
52°
22
70°
49°
23
64°
52°
24
66°
53°
25
71°
54°
26
66°
42°
27
69°
45°
28
67°
50°
29
72°
55°
30
75°
56°
31
73°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Clarksville
Clarksville's October 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 42° and 65°. The average high for October is 77° with an average low of 57°. 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 Clarksville. See also: November | December | January.
