Weather on October 17
Fort Collins, CO
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
1991
66°F avg
Coldest
1989
34°F avg
About This Date
October 17th in Fort Collins, CO typically brings mild fall weather, with average highs around 65°F and lows near 36°F — a 29°F daily swing. Over 55 years of records, the warmest October 17th was in 1991 (66°F average), while the coldest was 1989 (34°F) — a 32°F range across recorded history. Precipitation has occurred on 13% of recorded October 17th dates, with snow falling 5% of the time (heaviest snowfall: 1.8"). The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Fort Collins, CO? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 35° | 51° | — | — |
| 2024 | 71° | 46° | 59° | — | — |
| 2023 | 84° | 38° | 61° | — | — |
| 2022 | 64° | 31° | 47° | — | — |
| 2021 | 72° | 30° | 51° | — | — |
| 2020 | 72° | 45° | 58° | — | — |
| 2019 | 76° | 33° | 54° | — | — |
| 2018 | 61° | 28° | 44° | — | — |
| 2017 | 75° | 32° | 54° | — | — |
| 2016 | 70° | 39° | 54° | — | — |
| 2015 | 74° | 37° | 55° | — | — |
| 2014 | 63° | 35° | 49° | — | — |
| 2013 | 47° | 32° | 39° | — | — |
| 2012 | 67° | 46° | 56° | — | — |
| 2011 | 58° | 42° | 50° | 0.08" | — |
| 2010 | 69° | 37° | 53° | — | — |
| 2009 | 67° | 30° | 48° | — | — |
| 2008 | 70° | 34° | 52° | — | — |
| 2007 | 62° | 39° | 51° | — | — |
| 2006 | 53° | 28° | 41° | 0.71" | 1.8" |
| 2005 | 76° | 40° | 58° | — | — |
| 2004 | 70° | 39° | 54° | — | — |
| 2003 | 86° | 35° | 61° | — | — |
| 2002 | 64° | 27° | 45° | — | — |
| 2001 | 74° | 34° | 54° | — | — |
| 2000 | 70° | 33° | 51° | — | — |
| 1999 | 50° | 17° | 34° | — | — |
| 1998 | 53° | 41° | 47° | — | — |
| 1997 | 76° | 35° | 55° | — | — |
| 1996 | 49° | 35° | 42° | — | — |
| 1995 | 69° | 41° | 55° | — | — |
| 1994 | 46° | 35° | 41° | 1.19" | 0.1" |
| 1993 | 49° | 43° | 46° | 1.42" | — |
| 1992 | 71° | 32° | 52° | — | — |
| 1991warmest | 83° | 50° | 66° | — | — |
| 1990 | 56° | 37° | 46° | — | — |
| 1989coldest | 37° | 30° | 34° | 0.08" | 0.5" |
| 1988 | 70° | 52° | 61° | — | — |
| 1987 | 68° | 30° | 49° | — | — |
| 1986 | 72° | 30° | 51° | — | — |
| 1985 | 61° | 32° | 46° | — | — |
| 1984 | 49° | 23° | 36° | — | — |
| 1983 | 62° | 31° | 46° | — | — |
| 1982 | 71° | 34° | 52° | — | — |
| 1981 | 52° | 32° | 42° | 0.03" | — |
| 1980 | 53° | 27° | 40° | — | — |
| 1979 | 60° | 45° | 52° | — | — |
| 1978 | 67° | 39° | 53° | — | — |
| 1977 | 67° | 45° | 56° | — | — |
| 1976 | 64° | 31° | 47° | — | — |
| 1975 | 63° | 29° | 46° | — | — |
| 1974 | 76° | 38° | 57° | — | — |
| 1973 | 72° | 37° | 54° | — | — |
| 1972 | 69° | 43° | 56° | — | — |
| 1971 | 60° | 45° | 52° | 0.18" | — |
55 years of data from FT COLLINS