S
M
T
W
T
F
S
27
79°
43°
28
80°
44°
29
84°
46°
30
89°
52°
1
92°
66°
2
78°
63°
3
75°
59°
4
78°
53°
5
78°
48°
6
79°
46°
7
85°
45°
8
84°
49°
9
86°
63°
10
68°
62°
11
67°
57°
12
86°
61°
13
88°
61°
14
79°
64°
15
77°
62°
16
72°
49°
17
63°
42°
18
62°
44°
19
64°
47°
20
63°
45°
21
64°
45°
22
68°
46°
23
61°
41°
24
61°
40°
25
65°
46°
26
69°
47°
27
69°
43°
28
61°
38°
29
58°
39°
30
63°
43°
31
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mammoth Cave National Park
Mammoth Cave National Park's October 2026 forecast shows daily high temperatures ranging from 58° to 88°, with overnight lows between 38° and 64°. The average high for October is 69° with an average low of 49°. 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 Mammoth Cave National Park. See also: November | December | January.
