Weather on March 27
Longmont, CO
55 Years of Data
Avg High
60°F
Avg Low
29°F
Warmest
2004
61°F avg
Coldest
2009
23°F avg
About This Date
March 27th in Longmont, CO typically brings mild spring weather, with average highs around 60°F and lows near 29°F — a 31°F daily swing. Over 56 years of records, the warmest March 27th was in 2004 (61°F average), while the coldest was 2009 (23°F) — a 38°F range across recorded history. Precipitation has occurred on 14% of recorded March 27th dates, with snow falling 7% of the time (heaviest snowfall: 5.5"). The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for March 27th in Longmont, CO? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 40° | 58° | — | — |
| 2025 | 79° | 37° | 58° | — | — |
| 2024 | 45° | 20° | 32° | — | — |
| 2023 | 42° | 20° | 31° | 0.64" | 5.5" |
| 2022 | 80° | 33° | 57° | — | — |
| 2021 | 50° | 22° | 36° | 0.28" | — |
| 2020 | 55° | 33° | 44° | — | — |
| 2019 | 72° | 31° | 51° | — | — |
| 2018 | 52° | 31° | 41° | 0.69" | — |
| 2017 | 61° | 32° | 46° | — | — |
| 2016 | 53° | 21° | 37° | — | — |
| 2015 | 71° | 36° | 53° | — | — |
| 2014 | 57° | 36° | 46° | — | — |
| 2013 | 53° | 26° | 40° | — | — |
| 2012 | 71° | 43° | 57° | — | — |
| 2011 | 56° | 28° | 42° | — | — |
| 2010 | 48° | 32° | 40° | — | — |
| 2009coldest | 33° | 13° | 23° | 0.86" | 4.2" |
| 2008 | 62° | 32° | 47° | 0.25" | 0.1" |
| 2007 | 67° | 41° | 54° | — | — |
| 2006 | 53° | 28° | 41° | — | — |
| 2005 | 63° | 27° | 45° | — | — |
| 2004warmest | 80° | 42° | 61° | — | — |
| 2003 | 67° | 35° | 51° | — | — |
| 2002 | 64° | 19° | 42° | — | — |
| 2001 | 41° | 24° | 33° | — | — |
| 2000 | 69° | 28° | 49° | — | — |
| 1999 | 76° | 27° | 51° | — | — |
| 1998 | 74° | 40° | 57° | — | — |
| 1997 | 72° | 27° | 49° | — | — |
| 1996 | 45° | 15° | 30° | — | — |
| 1995 | 46° | 20° | 33° | — | — |
| 1994 | 46° | 13° | 29° | 0.15" | — |
| 1993 | 74° | 36° | 55° | — | — |
| 1992 | 62° | 35° | 49° | — | — |
| 1991 | 60° | 32° | 46° | 0.51" | — |
| 1990 | 45° | 22° | 33° | — | — |
| 1989 | 72° | 30° | 51° | — | — |
| 1988 | 73° | 33° | 53° | — | — |
| 1987 | 60° | 25° | 42° | — | — |
| 1986 | 80° | 29° | 54° | — | — |
| 1985 | 62° | 32° | 47° | — | — |
| 1984 | 51° | 29° | 40° | — | — |
| 1983 | 61° | 21° | 41° | — | — |
| 1982 | 56° | 28° | 42° | — | — |
| 1981 | 74° | 34° | 54° | — | — |
| 1980 | 43° | 24° | 33° | — | — |
| 1979 | 36° | 26° | 31° | — | — |
| 1978 | 67° | 31° | 49° | — | — |
| 1977 | 62° | 28° | 45° | — | — |
| 1976 | 53° | 25° | 39° | — | — |
| 1975 | 46° | 12° | 29° | 0.64" | 3" |
| 1974 | 62° | 31° | 46° | — | — |
| 1973 | 58° | 27° | 42° | — | — |
| 1972 | 60° | 25° | 42° | — | — |
| 1971 | 82° | 33° | 58° | — | — |
56 years of data from LONGMONT 2 ESE