Weather on March 27
Boulder, CO
55 Years of Data
Avg High
58°F
Avg Low
32°F
Warmest
2025
62°F avg
Coldest
1975
22°F avg
About This Date
March 27th in Boulder, CO typically brings cool spring weather, with average highs around 58°F and lows near 32°F — a 26°F daily swing. Over 56 years of records, the warmest March 27th was in 2025 (62°F average), while the coldest was 1975 (22°F) — a 40°F range across recorded history. Precipitation has occurred on 20% of recorded March 27th dates, with snow falling 14% of the time (heaviest snowfall: 10.6"). The last decade has been 5.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.2°F cooler on this date compared to 20-30 years ago.
Planning for March 27th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 46° | 36° | 41° | — | — |
| 2025warmest | 75° | 48° | 62° | — | — |
| 2024 | 54° | 28° | 41° | — | — |
| 2023 | 34° | 25° | 30° | — | — |
| 2022 | 63° | 34° | 48° | — | — |
| 2021 | 52° | 32° | 42° | — | — |
| 2020 | 45° | 32° | 38° | — | — |
| 2019 | 73° | 41° | 57° | — | — |
| 2018 | 48° | 30° | 39° | — | — |
| 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° | — | — |
| 2009 | 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° | — | — |
| 2004 | 70° | 41° | 55° | — | — |
| 2003 | 59° | 26° | 43° | 0.23" | 2.4" |
| 2002 | 65° | 30° | 47° | — | — |
| 2001 | 56° | 31° | 43° | — | — |
| 2000 | 73° | 32° | 53° | — | — |
| 1999 | 64° | 48° | 56° | — | — |
| 1998 | 66° | 43° | 54° | — | — |
| 1997 | 67° | 41° | 54° | — | — |
| 1996 | 53° | 24° | 39° | — | — |
| 1995 | 46° | 19° | 33° | — | — |
| 1994 | 39° | 15° | 27° | 0.41" | 1.5" |
| 1993 | 58° | 42° | 50° | 0.1" | — |
| 1992 | 63° | 35° | 49° | — | — |
| 1991 | 49° | 32° | 40° | 0.05" | — |
| 1990 | 45° | 22° | 33° | — | — |
| 1989 | 65° | 45° | 55° | — | — |
| 1988 | 75° | 43° | 59° | — | — |
| 1987 | 51° | 27° | 39° | 0.94" | 3.5" |
| 1986 | 78° | 37° | 58° | — | — |
| 1985 | 57° | 32° | 45° | — | — |
| 1984 | 46° | 31° | 38° | 0.08" | — |
| 1983 | 42° | 20° | 31° | — | — |
| 1982 | 54° | 33° | 43° | — | — |
| 1981 | 65° | 35° | 50° | — | — |
| 1980 | 45° | 23° | 34° | 0.81" | 2" |
| 1979 | 65° | 29° | 47° | — | — |
| 1978 | 67° | 37° | 52° | — | — |
| 1977 | 65° | 30° | 47° | — | — |
| 1976 | 60° | 28° | 44° | — | — |
| 1975coldest | 34° | 11° | 22° | 1.85" | 10.6" |
| 1974 | 66° | 33° | 50° | — | — |
| 1973 | 54° | 32° | 43° | — | — |
| 1972 | 52° | 24° | 38° | 0.03" | 0.5" |
| 1971 | 71° | 45° | 58° | — | — |
56 years of data from BOULDER MUNI AP