S
M
T
W
T
F
S
27
83°
54°
28
71°
59°
29
71°
54°
30
64°
53°
1
70°
53°
2
81°
50°
3
83°
51°
4
81°
45°
5
87°
55°
6
87°
59°
7
81°
53°
8
84°
59°
9
86°
56°
10
83°
57°
11
85°
57°
12
82°
52°
13
66°
47°
14
48°
42°
15
54°
35°
16
57°
28°
17
78°
35°
18
75°
46°
19
71°
46°
20
73°
52°
21
75°
49°
22
74°
54°
23
77°
58°
24
57°
37°
25
58°
37°
26
54°
39°
27
64°
41°
28
67°
39°
29
66°
44°
30
61°
43°
31
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Denver International Airport
Denver International Airport's October 2026 forecast shows daily high temperatures ranging from 61° to 67°, with overnight lows between 39° and 44°. The average high for October is 65° with an average low of 42°. 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 Denver International Airport. See also: November | December | January.
