Weather on October 3
Longmont, CO
55 Years of Data
Avg High
73°F
Avg Low
40°F
Warmest
2012
69°F avg
Coldest
2002
37°F avg
About This Date
October 3rd in Longmont, CO typically brings pleasant fall weather, with average highs around 73°F and lows near 40°F — a 33°F daily swing. Over 55 years of records, the warmest October 3rd was in 2012 (69°F average), while the coldest was 2002 (37°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 16% of October 3rd dates historically, with the wettest October 3rd recording 0.84" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for October 3rd in Longmont, CO? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 47° | 64° | — | — |
| 2024 | 88° | 43° | 65° | — | — |
| 2023 | 82° | 47° | 64° | 0.13" | — |
| 2022 | 73° | 48° | 61° | — | — |
| 2021 | 73° | 41° | 57° | — | — |
| 2020 | 75° | 40° | 57° | — | — |
| 2019 | 59° | 42° | 51° | — | — |
| 2018 | 79° | 47° | 63° | — | — |
| 2017 | 43° | 33° | 38° | 0.84" | — |
| 2016 | 80° | 46° | 63° | — | — |
| 2015 | 60° | 47° | 53° | 0.18" | — |
| 2014 | 59° | 34° | 46° | — | — |
| 2013 | 65° | 39° | 52° | — | — |
| 2012warmest | 85° | 53° | 69° | — | — |
| 2011 | 80° | 50° | 65° | — | — |
| 2010 | 80° | 38° | 59° | — | — |
| 2009 | 62° | 30° | 46° | — | — |
| 2008 | 76° | 45° | 60° | — | — |
| 2007 | 82° | 53° | 68° | — | — |
| 2006 | 77° | 50° | 64° | — | — |
| 2005 | 81° | 42° | 61° | — | — |
| 2004 | 73° | 42° | 58° | — | — |
| 2003 | 71° | 44° | 58° | — | — |
| 2002coldest | 44° | 31° | 37° | 0.08" | — |
| 2001 | 88° | 38° | 63° | — | — |
| 2000 | 75° | 38° | 56° | — | — |
| 1999 | 54° | 32° | 43° | 0.1" | — |
| 1998 | 61° | 40° | 50° | 0.03" | — |
| 1997 | 88° | 42° | 65° | — | — |
| 1996 | 62° | 40° | 51° | — | — |
| 1995 | 64° | 33° | 49° | — | — |
| 1994 | 72° | 47° | 59° | — | — |
| 1993 | 73° | 35° | 54° | — | — |
| 1992 | 87° | 39° | 63° | — | — |
| 1991 | 79° | 44° | 61° | — | — |
| 1990 | 65° | 33° | 49° | — | — |
| 1989 | 68° | 35° | 52° | — | — |
| 1988 | 78° | 35° | 57° | — | — |
| 1987 | — | 39° | — | — | — |
| 1986 | 66° | 40° | 53° | 0.41" | — |
| 1985 | 77° | 35° | 56° | 0.08" | — |
| 1984 | 75° | 40° | 57° | — | — |
| 1983 | 77° | 36° | 56° | 0.03" | — |
| 1982 | 68° | 35° | 52° | — | — |
| 1981 | 81° | 44° | 62° | — | — |
| 1980 | 69° | 36° | 52° | — | — |
| 1979 | 87° | 45° | 66° | — | — |
| 1978 | 66° | 34° | 50° | — | — |
| 1977 | 65° | 34° | 49° | — | — |
| 1976 | 79° | 49° | 64° | — | — |
| 1975 | 78° | 37° | 58° | — | — |
| 1974 | 83° | 36° | 59° | — | — |
| 1973 | 82° | 40° | 61° | — | — |
| 1972 | 85° | 39° | 62° | — | — |
| 1971 | 62° | 30° | 46° | — | — |
55 years of data from LONGMONT 2 ESE