Weather on October 17
Arvada, CO
55 Years of Data
Avg High
66°F
Avg Low
35°F
Warmest
1974
65°F avg
Coldest
1999
25°F avg
About This Date
October 17th in Arvada, CO typically brings mild fall weather, with average highs around 66°F and lows near 35°F — a 31°F daily swing. Over 55 years of records, the warmest October 17th was in 1974 (65°F average), while the coldest was 1999 (25°F) — a 40°F range across recorded history. Precipitation has occurred on 9% of recorded October 17th dates, with snow falling 4% of the time (heaviest snowfall: 2"). The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Arvada, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 39° | 56° | — | — |
| 2024 | 81° | 47° | 64° | — | — |
| 2023 | 74° | 43° | 58° | — | — |
| 2022 | 57° | 36° | 46° | — | — |
| 2021 | 70° | 40° | 55° | — | — |
| 2020 | 71° | 25° | 48° | — | — |
| 2019 | 78° | 47° | 62° | — | — |
| 2018 | 55° | 30° | 43° | — | — |
| 2017 | 73° | 25° | 49° | — | — |
| 2016 | 87° | 33° | 60° | — | — |
| 2015 | 78° | 42° | 60° | — | — |
| 2014 | 74° | 40° | 57° | — | — |
| 2013 | 56° | 28° | 42° | — | — |
| 2012 | 80° | 34° | 57° | — | — |
| 2011 | 50° | 28° | 39° | — | — |
| 2010 | 65° | 37° | 51° | — | — |
| 2009 | 60° | 31° | 45° | — | — |
| 2008 | 65° | 37° | 51° | — | — |
| 2007 | 53° | 32° | 43° | — | — |
| 2006 | 34° | 17° | 25° | — | — |
| 2005 | 67° | 39° | 53° | — | — |
| 2004 | 64° | 36° | 50° | — | — |
| 2003 | 74° | 44° | 59° | — | — |
| 2002 | 61° | 28° | 44° | — | — |
| 2001 | 70° | 29° | 49° | — | — |
| 2000 | 67° | 41° | 54° | — | — |
| 1999coldest | 35° | 15° | 25° | 1.02" | 2" |
| 1998 | 62° | 31° | 46° | 0.1" | — |
| 1997 | 70° | 34° | 52° | — | — |
| 1996 | 69° | 26° | 48° | — | — |
| 1995 | 80° | 29° | 54° | — | — |
| 1994 | 65° | 33° | 49° | 0.71" | — |
| 1993 | 64° | 34° | 49° | 0.43" | — |
| 1992 | 52° | 45° | 48° | — | — |
| 1991 | 81° | 29° | 55° | — | — |
| 1990 | 80° | 35° | 58° | — | — |
| 1989 | 35° | 27° | 31° | 0.46" | 1" |
| 1988 | 83° | 44° | 63° | — | — |
| 1987 | 57° | 23° | 40° | — | — |
| 1986 | 74° | 38° | 56° | — | — |
| 1985 | 73° | 40° | 56° | — | — |
| 1984 | 39° | 18° | 28° | — | — |
| 1983 | 61° | 31° | 46° | — | — |
| 1982 | 69° | 42° | 56° | — | — |
| 1981 | 58° | 32° | 45° | — | — |
| 1980 | 46° | 29° | 37° | — | — |
| 1979 | 62° | 35° | 49° | — | — |
| 1978 | 67° | 40° | 53° | — | — |
| 1977 | 75° | 41° | 58° | — | — |
| 1976 | 74° | 32° | 53° | — | — |
| 1975 | 70° | 32° | 51° | — | — |
| 1974warmest | 82° | 48° | 65° | — | — |
| 1973 | 79° | 47° | 63° | — | — |
| 1972 | 72° | 43° | 57° | — | — |
| 1971 | 65° | 41° | 53° | — | — |
55 years of data from WATERTON NORTH COLORADO