Weather on October 18
Denver, CO
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
2003
66°F avg
Coldest
1989
31°F avg
About This Date
October 18th in Denver, 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 18th was in 2003 (66°F average), while the coldest was 1989 (31°F) — a 35°F range across recorded history. Precipitation has occurred on 15% of recorded October 18th dates, with snow falling 5% of the time (heaviest snowfall: 3.5"). The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°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
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 40° | 53° | — | — |
| 2024 | 75° | 45° | 60° | — | — |
| 2023 | 81° | 43° | 62° | — | — |
| 2022 | 61° | 34° | 47° | — | — |
| 2021 | 72° | 36° | 54° | — | — |
| 2020 | 70° | 37° | 53° | — | — |
| 2019 | 77° | 46° | 62° | — | — |
| 2018 | 63° | 29° | 46° | — | — |
| 2017 | 76° | 45° | 60° | — | — |
| 2016 | 76° | 38° | 57° | — | — |
| 2015 | 62° | 38° | 50° | — | — |
| 2014 | 60° | 36° | 48° | — | — |
| 2013 | 48° | 29° | 38° | 0.76" | 2.5" |
| 2012 | 56° | 33° | 44° | — | — |
| 2011 | 58° | 35° | 46° | — | — |
| 2010 | 78° | 37° | 58° | — | — |
| 2009 | 72° | 32° | 52° | — | — |
| 2008 | 74° | 38° | 56° | — | — |
| 2007 | 62° | 41° | 52° | — | — |
| 2006 | 44° | 22° | 33° | 1.45" | 3.5" |
| 2005 | 79° | 42° | 60° | — | — |
| 2004 | 74° | 36° | 55° | — | — |
| 2003warmest | 83° | 49° | 66° | — | — |
| 2002 | 66° | 26° | 46° | — | — |
| 2001 | 77° | 35° | 56° | — | — |
| 2000 | 66° | 40° | 53° | — | — |
| 1999 | 50° | 28° | 39° | — | — |
| 1998 | 50° | 25° | 37° | — | — |
| 1997 | 75° | 44° | 60° | — | — |
| 1996 | 66° | 23° | 45° | — | — |
| 1995 | 70° | 40° | 55° | — | — |
| 1994 | 49° | 32° | 40° | 0.43" | — |
| 1993 | 63° | 39° | 51° | 2.24" | — |
| 1992 | 72° | 32° | 52° | — | — |
| 1991 | 85° | 35° | 60° | — | — |
| 1990 | 53° | 28° | 41° | — | — |
| 1989coldest | 35° | 27° | 31° | 0.38" | 0.5" |
| 1988 | 71° | 40° | 55° | — | — |
| 1987 | 69° | 32° | 51° | 0.25" | — |
| 1986 | 72° | 38° | 55° | — | — |
| 1985 | 66° | 36° | 51° | — | — |
| 1984 | 43° | 30° | 36° | — | — |
| 1983 | 69° | 33° | 51° | — | — |
| 1982 | 70° | 40° | 55° | — | — |
| 1981 | 50° | 31° | 40° | — | — |
| 1980 | 47° | 30° | 38° | — | — |
| 1979 | 59° | 40° | 49° | — | — |
| 1978 | 64° | 43° | 53° | — | — |
| 1977 | 70° | 40° | 55° | — | — |
| 1976 | 71° | 23° | 47° | 0.05" | — |
| 1975 | 64° | 39° | 52° | — | — |
| 1974 | 78° | 43° | 60° | — | — |
| 1973 | 72° | 47° | 59° | — | — |
| 1972 | 69° | 38° | 53° | 0.05" | — |
| 1971 | 53° | 38° | 45° | — | — |
55 years of data from LAKEWOOD