Weather on March 21
Cary, NC
55 Years of Data
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.
| 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° | — | — |
Cary, NC Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Cary, NC Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Cary, NC Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Cary, NC
Cary, NC has no months that meet our "pleasant" threshold — every season has tradeoffs.