Weather on October 31
Fort Collins, CO
55 Years of Data
Avg High
55°F
Avg Low
30°F
Warmest
2016
62°F avg
Coldest
2002
19°F avg
About This Date
October 31st in Fort Collins, CO typically brings cool fall weather, with average highs around 55°F and lows near 30°F — a 25°F daily swing. Over 55 years of records, the warmest October 31st was in 2016 (62°F average), while the coldest was 2002 (19°F) — a 43°F range across recorded history. Precipitation has occurred on 33% of recorded October 31st dates, with snow falling 7% of the time (heaviest snowfall: 3.5"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in Fort Collins, CO? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 29° | 41° | — | — |
| 2024 | 52° | 30° | 41° | 0.08" | — |
| 2023 | 49° | 20° | 34° | — | — |
| 2022 | 66° | 27° | 46° | — | — |
| 2021 | 49° | 36° | 42° | 0.13" | — |
| 2020 | 60° | 33° | 47° | — | — |
| 2019 | 47° | 5° | 26° | — | — |
| 2018 | 50° | 35° | 43° | — | — |
| 2017 | 48° | 26° | 37° | — | — |
| 2016warmest | 79° | 45° | 62° | — | — |
| 2015 | 70° | 37° | 53° | — | — |
| 2014 | 53° | 30° | 42° | — | — |
| 2013 | 58° | 27° | 42° | — | — |
| 2012 | 71° | 35° | 53° | — | — |
| 2011 | 70° | 29° | 49° | — | — |
| 2010 | 61° | 38° | 49° | 0.03" | — |
| 2009 | 57° | 26° | 42° | — | — |
| 2008 | 75° | 32° | 54° | — | — |
| 2007 | 58° | 37° | 47° | 0.05" | — |
| 2006 | 38° | 22° | 30° | — | — |
| 2005 | 53° | 28° | 41° | 0.03" | — |
| 2004 | 49° | 29° | 39° | 0.1" | — |
| 2003 | 29° | 22° | 25° | 0.15" | 0.1" |
| 2002coldest | 24° | 14° | 19° | 0.33" | 3.1" |
| 2001 | 72° | 43° | 57° | — | — |
| 2000 | 49° | 37° | 43° | 1.07" | — |
| 1999 | 70° | 29° | 49° | — | — |
| 1998 | 41° | 35° | 38° | 0.2" | — |
| 1997 | 63° | 43° | 53° | — | — |
| 1996 | 39° | 27° | 33° | 0.03" | — |
| 1995 | 45° | 33° | 39° | 0.08" | — |
| 1994 | 57° | 21° | 39° | — | — |
| 1993 | 58° | 19° | 38° | — | — |
| 1992 | 54° | 40° | 47° | 0.03" | — |
| 1991 | 40° | 4° | 22° | — | — |
| 1990 | 71° | 31° | 51° | — | — |
| 1989 | 51° | 25° | 38° | 0.51" | 3.5" |
| 1988 | 68° | 37° | 53° | — | — |
| 1987 | 65° | 46° | 55° | 0.25" | — |
| 1986 | 55° | 33° | 44° | 1.04" | 0.5" |
| 1985 | 55° | 39° | 47° | 0.15" | — |
| 1984 | 66° | 30° | 48° | — | — |
| 1983 | 70° | 35° | 52° | — | — |
| 1982 | 58° | 38° | 48° | — | — |
| 1981 | 54° | 25° | 39° | 0.05" | — |
| 1980 | 56° | 34° | 45° | — | — |
| 1979 | 38° | 25° | 31° | — | — |
| 1978 | 56° | 30° | 43° | — | — |
| 1977 | 55° | 35° | 45° | — | — |
| 1976 | 60° | 25° | 42° | — | — |
| 1975 | 56° | 43° | 49° | — | — |
| 1974 | 46° | 28° | 37° | — | — |
| 1973 | 50° | 37° | 44° | — | — |
| 1972 | 33° | 19° | 26° | — | — |
| 1971 | 48° | 19° | 34° | — | — |
55 years of data from FT COLLINS