S
M
T
W
T
F
S
27
88°
53°
28
73°
55°
29
75°
55°
30
71°
54°
1
71°
44°
2
83°
50°
3
88°
48°
4
83°
47°
5
88°
55°
6
89°
50°
7
88°
49°
8
87°
50°
9
86°
51°
10
81°
47°
11
75°
45°
12
72°
43°
13
73°
42°
14
76°
46°
15
71°
44°
16
69°
42°
17
69°
39°
18
60°
34°
19
67°
34°
20
67°
35°
21
66°
38°
22
67°
39°
23
67°
40°
24
66°
39°
25
55°
32°
26
63°
36°
27
66°
38°
28
54°
34°
29
64°
38°
30
64°
37°
31
63°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fort Collins
Fort Collins's October 2026 forecast shows daily high temperatures ranging from 54° to 89°, with overnight lows between 32° and 55°. The average high for October is 72° 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 Fort Collins. See also: November | December | January.
