Weather on October 18
Denver, CO
55 Years of Data
Avg High
68°F
Avg Low
35°F
Warmest
2003
68°F avg
Coldest
2006
32°F avg
About This Date
October 18th in Denver, CO typically brings mild fall weather, with average highs around 68°F and lows near 35°F — a 33°F daily swing. Over 55 years of records, the warmest October 18th was in 2003 (68°F average), while the coldest was 2006 (32°F) — a 36°F range across recorded history. Precipitation has occurred on 11% of recorded October 18th dates, with snow falling 2% of the time (heaviest snowfall: 1.8"). The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Denver, CO? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 42° | 57° | — | — |
| 2024 | 76° | 40° | 58° | — | — |
| 2023 | 88° | 40° | 64° | — | — |
| 2022 | 67° | 33° | 50° | — | — |
| 2021 | 75° | 40° | 57° | — | — |
| 2020 | 72° | 37° | 54° | — | — |
| 2019 | 83° | 36° | 59° | — | — |
| 2018 | 63° | 35° | 49° | — | — |
| 2017 | 80° | 38° | 59° | — | — |
| 2016 | 83° | 40° | 61° | — | — |
| 2015 | 82° | 43° | 62° | — | — |
| 2014 | 66° | 37° | 52° | — | — |
| 2013 | 50° | 30° | 40° | 0.86" | 1.8" |
| 2012 | 61° | 32° | 46° | — | — |
| 2011 | 56° | 33° | 44° | 0.13" | — |
| 2010 | 79° | 38° | 58° | — | — |
| 2009 | 70° | 34° | 52° | — | — |
| 2008 | 77° | 41° | 59° | — | — |
| 2007 | 66° | 38° | 52° | — | — |
| 2006coldest | 40° | 24° | 32° | 0.84" | — |
| 2005 | 83° | 43° | 63° | — | — |
| 2004 | 76° | 41° | 58° | — | — |
| 2003warmest | 90° | 46° | 68° | — | — |
| 2002 | 75° | 28° | 52° | — | — |
| 2001 | 65° | 40° | 52° | — | — |
| 2000 | 80° | 37° | 59° | — | — |
| 1999 | 41° | 32° | 37° | 0.08" | — |
| 1998 | 67° | 27° | 47° | — | — |
| 1997 | 79° | — | — | — | — |
| 1996 | 74° | 24° | 49° | — | — |
| 1995 | 79° | 39° | 59° | — | — |
| 1994 | 60° | 38° | 49° | — | — |
| 1993 | 46° | 37° | 42° | 0.76" | — |
| 1992 | 70° | 30° | 50° | — | — |
| 1991 | 55° | 32° | 44° | — | — |
| 1990 | 63° | 26° | 44° | — | — |
| 1989 | 47° | 29° | 38° | — | — |
| 1988 | 71° | 40° | 55° | — | — |
| 1987 | 56° | 33° | 44° | — | — |
| 1986 | 71° | 33° | 52° | — | — |
| 1985 | 59° | 38° | 48° | — | — |
| 1984 | 46° | 31° | 38° | — | — |
| 1983 | 67° | 42° | 54° | — | — |
| 1982 | 73° | 40° | 56° | — | — |
| 1981 | 62° | 29° | 45° | — | — |
| 1980 | 56° | 32° | 44° | — | — |
| 1979 | 70° | 40° | 55° | — | — |
| 1978 | 60° | 41° | 51° | — | — |
| 1977 | 75° | 31° | 53° | — | — |
| 1976 | 62° | 20° | 41° | — | — |
| 1975 | 79° | 32° | 55° | — | — |
| 1974 | 76° | 37° | 56° | — | — |
| 1973 | 78° | 38° | 58° | — | — |
| 1972 | 55° | 39° | 47° | — | — |
| 1971 | 57° | 31° | 44° | 0.03" | — |
55 years of data from NORTHGLENN