Weather on October 19
Boulder, CO
55 Years of Data
Avg High
66°F
Avg Low
37°F
Warmest
2003
68°F avg
Coldest
1984
33°F avg
About This Date
October 19th in Boulder, CO typically brings mild fall weather, with average highs around 66°F and lows near 37°F — a 29°F daily swing. Over 55 years of records, the warmest October 19th was in 2003 (68°F average), while the coldest was 1984 (33°F) — a 35°F range across recorded history. Precipitation has occurred on 13% of recorded October 19th dates, with snow falling 4% of the time (heaviest snowfall: 1.5"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 19th in Boulder, CO? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 32° | 56° | — | — |
| 2024 | 59° | 41° | 50° | — | — |
| 2023 | 79° | 43° | 61° | — | — |
| 2022 | 77° | 41° | 59° | — | — |
| 2021 | 61° | 36° | 48° | — | — |
| 2020 | 54° | 34° | 44° | — | — |
| 2019 | 64° | 36° | 50° | — | — |
| 2018 | 68° | 46° | 57° | — | — |
| 2017 | 75° | 38° | 56° | — | — |
| 2016 | 59° | 35° | 47° | 0.08" | — |
| 2015 | 71° | 47° | 59° | — | — |
| 2014 | 75° | 42° | 59° | — | — |
| 2013 | 65° | 29° | 47° | — | — |
| 2012 | 72° | 34° | 53° | — | — |
| 2011 | 63° | 29° | 46° | — | — |
| 2010 | 72° | 34° | 53° | 0.05" | — |
| 2009 | 74° | 50° | 62° | — | — |
| 2008 | 74° | 46° | 60° | — | — |
| 2007 | 73° | 41° | 57° | — | — |
| 2006 | 55° | 27° | 41° | — | — |
| 2005 | 61° | 43° | 52° | 0.36" | — |
| 2004 | 66° | 38° | 52° | — | — |
| 2003warmest | 87° | 48° | 68° | — | — |
| 2002 | 65° | 31° | 48° | — | — |
| 2001 | 72° | 36° | 54° | — | — |
| 2000 | 75° | 41° | 58° | — | — |
| 1999 | 55° | 26° | 41° | 0.48" | 0.3" |
| 1998 | 59° | 30° | 45° | — | — |
| 1997 | 59° | 41° | 50° | — | — |
| 1996 | 75° | 46° | 61° | — | — |
| 1995 | 75° | 35° | 55° | — | — |
| 1994 | 61° | 35° | 48° | — | — |
| 1993 | 60° | 32° | 46° | — | — |
| 1992 | 77° | 44° | 61° | — | — |
| 1991 | 61° | 32° | 46° | — | — |
| 1990 | 73° | 45° | 59° | — | — |
| 1989 | 47° | 22° | 34° | — | — |
| 1988 | 65° | 38° | 51° | — | — |
| 1987 | 44° | 29° | 36° | — | — |
| 1986 | 59° | 42° | 51° | 0.13" | — |
| 1985 | 66° | 34° | 50° | — | — |
| 1984coldest | 42° | 23° | 33° | — | — |
| 1983 | 61° | 35° | 48° | — | — |
| 1982 | 57° | 29° | 43° | 0.99" | 1.5" |
| 1981 | 72° | 38° | 55° | — | — |
| 1980 | 61° | 36° | 48° | — | — |
| 1979 | 75° | 43° | 59° | — | — |
| 1978 | 77° | 37° | 57° | — | — |
| 1977 | 78° | 43° | 60° | — | — |
| 1976 | 50° | 18° | 34° | — | — |
| 1975 | 76° | 44° | 60° | — | — |
| 1974 | 73° | 45° | 59° | — | — |
| 1973 | 76° | 46° | 61° | — | — |
| 1972 | 45° | 34° | 39° | 0.03" | — |
| 1971 | 57° | 30° | 44° | — | — |
55 years of data from BOULDER MUNI AP