S
M
T
W
T
F
S
27
51°
27°
28
50°
17°
29
42°
19°
30
41°
28°
1
43°
27°
2
49°
29°
3
48°
27°
4
49°
21°
5
41°
24°
6
40°
20°
7
40°
17°
8
Hist. Avg.
51°
20°
9
Hist. Avg.
51°
20°
10
Hist. Avg.
50°
19°
11
Hist. Avg.
50°
19°
12
Hist. Avg.
49°
19°
13
Hist. Avg.
49°
19°
14
Hist. Avg.
48°
18°
15
Hist. Avg.
48°
18°
16
Hist. Avg.
48°
18°
17
Hist. Avg.
47°
17°
18
Hist. Avg.
47°
17°
19
Hist. Avg.
46°
17°
20
Hist. Avg.
46°
17°
21
Hist. Avg.
45°
16°
22
Hist. Avg.
45°
16°
23
Hist. Avg.
45°
16°
24
Hist. Avg.
44°
15°
25
Hist. Avg.
44°
15°
26
Hist. Avg.
43°
15°
27
Hist. Avg.
43°
15°
28
Hist. Avg.
42°
14°
29
Hist. Avg.
42°
14°
30
Hist. Avg.
42°
14°
31
Hist. Avg.
41°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Rocky Mountain National Park
Rocky Mountain National Park's October 2026 forecast shows daily high temperatures ranging from 40° to 51°, with overnight lows between 17° and 29°. The average high for October is 45° with an average low of 23°. 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 Rocky Mountain National Park. See also: November | December | January.
