Weather on March 21
Cary, NC
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
2020
73°F avg
Coldest
1990
37°F avg
About This Date
March 21st in Cary, NC typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 56 years of records, the warmest March 21st was in 2020 (73°F average), while the coldest was 1990 (37°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 38% of March 21st dates historically, with the wettest March 21st recording 4.65" of rain. 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 21st in Cary, NC? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 37° | 55° | — | — |
| 2025 | 73° | 42° | 58° | 0.69" | — |
| 2024 | 70° | 40° | 55° | — | — |
| 2023 | 51° | 28° | 40° | — | — |
| 2022 | 64° | 39° | 52° | — | — |
| 2021 | 51° | 31° | 41° | 0.05" | — |
| 2020warmest | 85° | 62° | 73° | — | — |
| 2019 | 51° | 39° | 45° | — | — |
| 2018 | 57° | 34° | 45° | 0.71" | — |
| 2017 | 63° | 31° | 47° | — | — |
| 2016 | 41° | 36° | 38° | 0.08" | — |
| 2015 | 51° | 38° | 44° | — | — |
| 2014 | 66° | 33° | 50° | — | — |
| 2013 | 54° | 36° | 45° | — | — |
| 2012 | 78° | 58° | 68° | — | — |
| 2011 | 58° | 43° | 50° | — | — |
| 2010 | 78° | 41° | 60° | — | — |
| 2009 | 57° | 33° | 45° | — | — |
| 2008 | 60° | 37° | 49° | — | — |
| 2007 | 75° | 49° | 62° | — | — |
| 2006 | 52° | 38° | 45° | 2.03" | — |
| 2005 | 69° | 38° | 53° | — | — |
| 2004 | 66° | 34° | 50° | — | — |
| 2003 | 54° | 43° | 48° | 2.84" | — |
| 2002 | 73° | 46° | 60° | 0.69" | — |
| 2001 | 48° | 40° | 44° | 4.65" | — |
| 2000 | 52° | 44° | 48° | — | — |
| 1999 | 60° | 42° | 51° | 0.81" | — |
| 1998 | 69° | 45° | 57° | 1.04" | — |
| 1997 | 60° | 40° | 50° | — | — |
| 1996 | 47° | 31° | 39° | 0.79" | — |
| 1995 | 70° | 41° | 55° | 1.37" | — |
| 1994 | 71° | 41° | 56° | 0.05" | — |
| 1993 | 53° | 31° | 42° | — | — |
| 1992 | 45° | 32° | 38° | — | — |
| 1991 | 70° | 49° | 59° | — | — |
| 1990coldest | 45° | 29° | 37° | — | — |
| 1989 | 50° | 39° | 45° | 0.79" | — |
| 1988 | 66° | 39° | 53° | — | — |
| 1987 | 65° | 37° | 51° | — | — |
| 1986 | 55° | 32° | 44° | 0.76" | — |
| 1985 | 70° | 43° | 56° | — | — |
| 1984 | 67° | 46° | 56° | 1.55" | — |
| 1983 | 71° | 48° | 60° | 0.86" | — |
| 1982 | 51° | 47° | 49° | 1.73" | — |
| 1981 | 49° | 27° | 38° | — | — |
| 1980 | 65° | 50° | 57° | 3.18" | — |
| 1979 | 71° | 42° | 57° | — | — |
| 1978 | 74° | 46° | 60° | — | — |
| 1977 | 66° | 42° | 54° | — | — |
| 1976 | 78° | 56° | 67° | — | — |
| 1975 | 71° | 43° | 57° | — | — |
| 1974 | 60° | 43° | 51° | 0.25" | — |
| 1973 | 62° | 43° | 52° | 0.81" | — |
| 1972 | 66° | 42° | 54° | — | — |
| 1971 | 48° | 29° | 38° | — | — |
56 years of data from CARY