Weather on October 23
Longmont, CO
55 Years of Data
Avg High
66°F
Avg Low
33°F
Warmest
2003
63°F avg
Coldest
1984
29°F avg
About This Date
October 23rd in Longmont, CO typically brings mild fall weather, with average highs around 66°F and lows near 33°F — a 33°F daily swing. Over 55 years of records, the warmest October 23rd was in 2003 (63°F average), while the coldest was 1984 (29°F) — a 34°F range across recorded history. Precipitation has occurred on 15% of recorded October 23rd dates, with snow falling 2% of the time. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Longmont, CO? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 35° | 52° | — | — |
| 2024 | 77° | 39° | 58° | — | — |
| 2023 | 71° | 40° | 55° | — | — |
| 2022 | 77° | 42° | 60° | — | — |
| 2021 | 76° | 33° | 54° | — | — |
| 2020 | 43° | 24° | 33° | — | — |
| 2019 | 65° | 28° | 46° | — | — |
| 2018 | 73° | 39° | 56° | — | — |
| 2017 | 70° | 31° | 50° | — | — |
| 2016 | 72° | 43° | 57° | — | — |
| 2015 | 58° | 40° | 49° | 0.18" | — |
| 2014 | 76° | 39° | 57° | — | — |
| 2013 | 65° | 39° | 52° | — | — |
| 2012 | 78° | 42° | 60° | — | — |
| 2011 | 76° | 39° | 57° | — | — |
| 2010 | 64° | 43° | 53° | 0.03" | — |
| 2009 | 56° | 29° | 42° | — | — |
| 2008 | 55° | 21° | 38° | — | — |
| 2007 | 69° | 34° | 51° | — | — |
| 2006 | 65° | 33° | 49° | — | — |
| 2005 | 54° | 36° | 45° | — | — |
| 2004 | 62° | 32° | 47° | — | — |
| 2003warmest | 86° | 40° | 63° | — | — |
| 2002 | 44° | 26° | 35° | 0.03" | — |
| 2001 | 71° | 34° | 52° | — | — |
| 2000 | 50° | 35° | 43° | 0.64" | — |
| 1999 | 71° | 27° | 49° | — | — |
| 1998 | 68° | 27° | 47° | — | — |
| 1997 | 68° | 25° | 46° | — | — |
| 1996 | 62° | 17° | 40° | — | — |
| 1995 | — | 29° | — | — | — |
| 1994 | 60° | 29° | 44° | — | — |
| 1993 | 70° | — | — | — | — |
| 1992 | 79° | 41° | 60° | — | — |
| 1991 | 77° | 35° | 56° | — | — |
| 1990 | 74° | 28° | 51° | — | — |
| 1989 | 72° | 31° | 51° | — | — |
| 1988 | 78° | 23° | 51° | — | — |
| 1987 | 63° | 29° | 46° | — | — |
| 1986 | 60° | 37° | 49° | 0.15" | — |
| 1985 | 71° | 48° | 60° | — | — |
| 1984coldest | 37° | 21° | 29° | 0.15" | — |
| 1983 | 76° | 34° | 55° | — | — |
| 1982 | 68° | 30° | 49° | — | — |
| 1981 | 41° | 28° | 35° | — | — |
| 1980 | 67° | 30° | 48° | — | — |
| 1979 | 59° | 27° | 43° | — | — |
| 1978 | 42° | 30° | 36° | 0.56" | — |
| 1977 | 60° | 31° | 45° | — | — |
| 1976 | 70° | 30° | 50° | — | — |
| 1975 | 80° | 32° | 56° | 0.46" | 1" |
| 1974 | 49° | 36° | 42° | — | — |
| 1973 | 77° | 37° | 57° | — | — |
| 1972 | 56° | 31° | 43° | — | — |
| 1971 | 60° | 30° | 45° | — | — |
55 years of data from LONGMONT 2 ESE