Weather on October 17
Greeley, CO
55 Years of Data
Avg High
68°F
Avg Low
36°F
Warmest
1991
65°F avg
Coldest
1989
34°F avg
About This Date
October 17th in Greeley, CO typically brings mild fall weather, with average highs around 68°F and lows near 36°F — a 32°F daily swing. Over 55 years of records, the warmest October 17th was in 1991 (65°F average), while the coldest was 1989 (34°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 17th dates historically, with the wettest October 17th recording 1.27" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Greeley, CO? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 37° | 53° | — | — |
| 2024 | 79° | 48° | 63° | — | — |
| 2023 | 87° | 40° | 63° | — | — |
| 2022 | 64° | 28° | 46° | — | — |
| 2021 | 76° | 33° | 54° | — | — |
| 2020 | 69° | 40° | 54° | — | — |
| 2019 | 78° | 37° | 58° | — | — |
| 2018 | 64° | 29° | 46° | — | — |
| 2017 | 78° | 28° | 53° | — | — |
| 2016 | 81° | 40° | 60° | — | — |
| 2015 | 78° | 38° | 58° | — | — |
| 2014 | 69° | 37° | 53° | — | — |
| 2013 | 57° | 27° | 42° | — | — |
| 2012 | 73° | 46° | 60° | — | — |
| 2011 | 64° | 42° | 53° | 0.28" | — |
| 2010 | 82° | 37° | 60° | — | — |
| 2009 | 72° | 28° | 50° | — | — |
| 2008 | 74° | 41° | 57° | — | — |
| 2007 | 65° | 40° | 52° | — | — |
| 2006 | 66° | 31° | 48° | 0.05" | — |
| 2005 | 81° | 38° | 59° | — | — |
| 2004 | 71° | 40° | 55° | — | — |
| 2003 | 86° | 34° | 60° | — | — |
| 2002 | 69° | 23° | 46° | — | — |
| 2001 | 74° | 35° | 54° | — | — |
| 2000 | 72° | 35° | 53° | — | — |
| 1999 | 54° | 21° | 37° | — | — |
| 1998 | 52° | 40° | 46° | 0.03" | — |
| 1997 | 80° | 36° | 58° | — | — |
| 1996 | 49° | 35° | 42° | — | — |
| 1995 | 68° | 45° | 56° | — | — |
| 1994 | 41° | 34° | 37° | 0.94" | — |
| 1993 | 49° | 45° | 47° | 1.27" | — |
| 1992 | 73° | 31° | 52° | — | — |
| 1991warmest | 85° | 46° | 65° | — | — |
| 1990 | 53° | 36° | 44° | — | — |
| 1989coldest | 38° | 30° | 34° | — | — |
| 1988 | 61° | 47° | 54° | — | — |
| 1987 | 73° | 29° | 51° | — | — |
| 1986 | 75° | 30° | 53° | — | — |
| 1985 | 65° | 33° | 49° | — | — |
| 1984 | 48° | 22° | 35° | — | — |
| 1983 | 67° | 31° | 49° | — | — |
| 1982 | 74° | 38° | 56° | — | — |
| 1981 | 51° | 30° | 41° | — | — |
| 1980 | 59° | 25° | 42° | — | — |
| 1979 | 63° | 43° | 53° | — | — |
| 1978 | 65° | 37° | 51° | — | — |
| 1977 | 81° | 43° | 62° | — | — |
| 1976 | 66° | 29° | 47° | — | — |
| 1975 | 64° | 27° | 45° | — | — |
| 1974 | 80° | 40° | 60° | — | — |
| 1973 | 76° | 40° | 58° | — | — |
| 1972 | 70° | 44° | 57° | — | — |
| 1971 | 67° | 46° | 56° | — | — |
55 years of data from GREELEY UNC