Weather on August 21
Wilmington, NC
55 Years of Data
Avg High
89°F
Avg Low
71°F
Warmest
1983
89°F avg
Coldest
2000
71°F avg
About This Date
August 21st in Wilmington, NC typically brings warm summer weather, with average highs around 89°F and lows near 71°F. Over 55 years of records, the warmest August 21st was in 1983 (89°F average), while the coldest was 2000 (71°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 21st dates historically, with the wettest August 21st recording 4.27" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Wilmington, NC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 73° | 80° | — | — |
| 2024 | 84° | 64° | 74° | — | — |
| 2023 | 95° | 75° | 85° | — | — |
| 2022 | 89° | 74° | 81° | 0.2" | — |
| 2021 | 92° | 73° | 82° | 0.76" | — |
| 2020 | 85° | 72° | 78° | 0.1" | — |
| 2019 | 92° | 75° | 83° | 0.03" | — |
| 2018 | 91° | 78° | 85° | — | — |
| 2017 | 88° | 76° | 82° | — | — |
| 2016 | 95° | 75° | 85° | — | — |
| 2015 | 91° | 75° | 83° | 2.69" | — |
| 2014 | 94° | 74° | 84° | — | — |
| 2013 | 88° | 72° | 80° | — | — |
| 2012 | 81° | 72° | 76° | 0.13" | — |
| 2011 | 89° | 69° | 79° | 0.81" | — |
| 2010 | 88° | 70° | 79° | — | — |
| 2009 | 86° | 74° | 80° | 4.27" | — |
| 2008 | 84° | 70° | 77° | — | — |
| 2007 | 100° | 79° | 89° | — | — |
| 2006 | 89° | 73° | 81° | 0.48" | — |
| 2005 | 96° | 78° | 87° | — | — |
| 2004 | 91° | 73° | 82° | 1.32" | — |
| 2003 | 87° | 71° | 79° | — | — |
| 2002 | 88° | 75° | 81° | — | — |
| 2001 | 84° | 69° | 77° | 0.76" | — |
| 2000coldest | 82° | 61° | 71° | — | — |
| 1999 | 92° | 71° | 81° | 1.83" | — |
| 1998 | 85° | 63° | 74° | — | — |
| 1997 | 88° | 72° | 80° | 4.27" | — |
| 1996 | 87° | 67° | 77° | — | — |
| 1995 | 88° | 61° | 74° | — | — |
| 1994 | 89° | 72° | 80° | 0.99" | — |
| 1993 | 95° | 76° | 85° | — | — |
| 1992 | 84° | 70° | 77° | — | — |
| 1991 | 90° | 68° | 79° | — | — |
| 1990 | 91° | 70° | 80° | 0.2" | — |
| 1989 | 90° | 72° | 81° | — | — |
| 1988 | 90° | 74° | 82° | 2.72" | — |
| 1987 | 89° | 71° | 80° | — | — |
| 1986 | 89° | 74° | 81° | — | — |
| 1985 | 92° | 72° | 82° | 2.13" | — |
| 1984 | 82° | 67° | 74° | — | — |
| 1983warmest | 100° | 77° | 89° | — | — |
| 1982 | 88° | 71° | 79° | — | — |
| 1981 | 78° | 66° | 72° | — | — |
| 1980 | 83° | 74° | 78° | — | — |
| 1979 | 92° | 69° | 80° | 1.4" | — |
| 1978 | 88° | 70° | 79° | — | — |
| 1977 | 86° | 65° | 75° | — | — |
| 1976 | 85° | 75° | 80° | 0.69" | — |
| 1975 | 89° | 73° | 81° | — | — |
| 1974 | 87° | 69° | 78° | — | — |
| 1973 | 88° | 66° | 77° | 0.03" | — |
| 1972 | 85° | 66° | 75° | — | — |
| 1971 | 94° | 75° | 84° | — | — |
55 years of data from WILMINGTON INTL AP