Weather on March 21
Louisville, KY
55 Years of Data
Avg High
59°F
Avg Low
37°F
Warmest
2012
74°F avg
Coldest
1986
28°F avg
About This Date
March 21st in Louisville, KY typically brings cool spring weather, with average highs around 59°F and lows near 37°F. Over 56 years of records, the warmest March 21st was in 2012 (74°F average), while the coldest was 1986 (28°F) — a 46°F range across recorded history. Precipitation has occurred on 32% of recorded March 21st dates, with snow falling 4% of the time. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Louisville, KY? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 80° | 49° | 64° | — | — |
| 2025 | 58° | 27° | 43° | — | — |
| 2024 | 52° | 29° | 41° | — | — |
| 2023 | 58° | 29° | 44° | 0.08" | — |
| 2022 | 72° | 39° | 55° | — | — |
| 2021 | 68° | 32° | 50° | — | — |
| 2020 | 44° | 33° | 39° | — | — |
| 2019 | 48° | 40° | 44° | 0.2" | — |
| 2018 | 39° | 26° | 33° | 0.53" | — |
| 2017 | 67° | 49° | 58° | — | — |
| 2016 | 55° | 33° | 44° | — | — |
| 2015 | 70° | 40° | 55° | — | — |
| 2014 | 70° | 42° | 56° | — | — |
| 2013 | 35° | 22° | 29° | — | — |
| 2012warmest | 85° | 63° | 74° | — | — |
| 2011 | 80° | 66° | 73° | — | — |
| 2010 | 69° | 50° | 60° | 0.97" | — |
| 2009 | 60° | 37° | 49° | — | — |
| 2008 | 69° | 35° | 52° | — | — |
| 2007 | 77° | 56° | 66° | — | — |
| 2006 | 42° | 25° | 34° | 0.89" | — |
| 2005 | 57° | 33° | 45° | — | — |
| 2004 | 50° | 30° | 40° | — | — |
| 2003 | 58° | 44° | 51° | 0.28" | — |
| 2002 | 51° | 24° | 38° | — | — |
| 2001 | 58° | 41° | 49° | 0.15" | — |
| 2000 | 55° | 44° | 50° | — | — |
| 1999 | 57° | 41° | 49° | — | — |
| 1998 | 41° | 34° | 37° | 0.08" | 0.3" |
| 1997 | 77° | 44° | 61° | — | — |
| 1996 | 34° | 26° | 30° | — | — |
| 1995 | 64° | 46° | 55° | 0.03" | — |
| 1994 | 67° | 39° | 53° | 0.41" | — |
| 1993 | 52° | 40° | 46° | — | — |
| 1992 | 57° | 36° | 46° | — | — |
| 1991 | 78° | 53° | 66° | 1.47" | — |
| 1990 | 61° | 27° | 44° | — | — |
| 1989 | 40° | 31° | 35° | 0.08" | — |
| 1988 | 55° | 30° | 43° | — | — |
| 1987 | 62° | 36° | 49° | — | — |
| 1986coldest | 36° | 21° | 28° | — | — |
| 1985 | 57° | 45° | 51° | — | — |
| 1984 | 38° | 32° | 35° | 0.23" | 0.9" |
| 1983 | 42° | 29° | 35° | — | — |
| 1982 | 68° | 40° | 54° | — | — |
| 1981 | 58° | 29° | 43° | — | — |
| 1980 | 59° | 37° | 48° | 0.76" | — |
| 1979 | 76° | 56° | 66° | — | — |
| 1978 | 63° | 37° | 50° | 0.91" | — |
| 1977 | 71° | 34° | 52° | 0.66" | — |
| 1976 | 60° | 38° | 49° | — | — |
| 1975 | 77° | 41° | 59° | — | — |
| 1974 | 45° | 29° | 37° | 0.46" | — |
| 1973 | 47° | 32° | 39° | — | — |
| 1972 | 68° | 51° | 60° | 1.09" | — |
| 1971 | 63° | 25° | 44° | — | — |
56 years of data from LOUISVILLE BOWMAN FLD