Weather on March 31
Fort Collins, CO
55 Years of Data
Avg High
58°F
Avg Low
30°F
Warmest
1978
64°F avg
Coldest
1988
28°F avg
About This Date
March 31st in Fort Collins, CO typically brings cool spring weather, with average highs around 58°F and lows near 30°F — a 28°F daily swing. Over 56 years of records, the warmest March 31st was in 1978 (64°F average), while the coldest was 1988 (28°F) — a 36°F range across recorded history. Precipitation has occurred on 25% of recorded March 31st dates, with snow falling 14% of the time (heaviest snowfall: 16.7"). 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 March 31st in Fort Collins, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 41° | 57° | — | — |
| 2025 | 55° | 37° | 46° | — | — |
| 2024 | 57° | 35° | 46° | — | — |
| 2023 | 50° | 31° | 40° | — | — |
| 2022 | 66° | 22° | 44° | — | — |
| 2021 | 53° | 22° | 37° | — | — |
| 2020 | 71° | 32° | 52° | — | — |
| 2019 | 52° | 24° | 38° | — | — |
| 2018 | 60° | 34° | 47° | — | — |
| 2017 | 56° | 35° | 45° | 0.66" | — |
| 2016 | 47° | 31° | 39° | — | — |
| 2015 | 80° | 35° | 58° | — | — |
| 2014 | 59° | 41° | 50° | 0.03" | — |
| 2013 | 69° | 28° | 49° | — | — |
| 2012 | 80° | 44° | 62° | — | — |
| 2011 | 67° | 52° | 59° | — | — |
| 2010 | 67° | 40° | 53° | — | — |
| 2009 | 49° | 29° | 39° | — | — |
| 2008 | 43° | 26° | 34° | 0.2" | 1" |
| 2007 | 59° | 25° | 42° | — | — |
| 2006 | 63° | 30° | 46° | — | — |
| 2005 | 49° | 34° | 41° | — | — |
| 2004 | 77° | 31° | 54° | — | — |
| 2003 | 70° | 34° | 52° | — | — |
| 2002 | 67° | 30° | 48° | — | — |
| 2001 | 48° | 27° | 37° | 0.3" | 3.6" |
| 2000 | 37° | 30° | 34° | 0.28" | 1" |
| 1999 | 68° | 39° | 54° | — | — |
| 1998 | 55° | 17° | 36° | 0.36" | 2.3" |
| 1997 | 73° | 29° | 51° | — | — |
| 1996 | 63° | 28° | 45° | — | — |
| 1995 | 55° | 21° | 38° | — | — |
| 1994 | 66° | 24° | 45° | — | — |
| 1993 | 52° | 30° | 41° | — | — |
| 1992 | 50° | 32° | 41° | 0.03" | — |
| 1991 | 65° | 27° | 46° | — | — |
| 1990 | 60° | 25° | 42° | — | — |
| 1989 | 63° | 21° | 42° | — | — |
| 1988coldest | 32° | 25° | 28° | 1.96" | 16.7" |
| 1987 | 64° | 23° | 44° | — | — |
| 1986 | 66° | 40° | 53° | 0.3" | — |
| 1985 | 51° | 25° | 38° | — | — |
| 1984 | 38° | 28° | 33° | 0.13" | 0.5" |
| 1983 | 57° | 32° | 45° | 0.13" | — |
| 1982 | 64° | 28° | 46° | — | — |
| 1981 | 54° | 34° | 44° | — | — |
| 1980 | 39° | 25° | 32° | 0.89" | 3.5" |
| 1979 | 48° | 33° | 41° | 0.36" | — |
| 1978warmest | 77° | 52° | 64° | — | — |
| 1977 | 55° | 16° | 35° | — | — |
| 1976 | 63° | 23° | 43° | — | — |
| 1975 | 49° | 25° | 37° | 1.02" | 5" |
| 1974 | 60° | 43° | 51° | — | — |
| 1973 | 53° | 19° | 36° | — | — |
| 1972 | 38° | 26° | 32° | — | — |
| 1971 | 68° | 36° | 52° | — | — |
56 years of data from FT COLLINS