Weather on August 18
Wilmington, NC
55 Years of Data
Avg High
90°F
Avg Low
72°F
Warmest
1999
89°F avg
Coldest
1979
72°F avg
About This Date
August 18th in Wilmington, NC typically brings hot summer weather, with average highs around 90°F and lows near 72°F. Over 55 years of records, the warmest August 18th was in 1999 (89°F average), while the coldest was 1979 (72°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 51% of August 18th dates historically, with the wettest August 18th recording 8.38" 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 August 18th in Wilmington, NC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 71° | 81° | — | — |
| 2024 | 90° | 77° | 83° | 0.05" | — |
| 2023 | 92° | 76° | 84° | — | — |
| 2022 | 85° | 69° | 77° | — | — |
| 2021 | 90° | 77° | 83° | 2.21" | — |
| 2020 | 92° | 74° | 83° | — | — |
| 2019 | 92° | 75° | 83° | 0.53" | — |
| 2018 | 91° | 77° | 84° | — | — |
| 2017 | 95° | 79° | 87° | — | — |
| 2016 | 94° | 76° | 85° | — | — |
| 2015 | 84° | 72° | 78° | 0.1" | — |
| 2014 | 94° | 74° | 84° | 0.33" | — |
| 2013 | 89° | 71° | 80° | — | — |
| 2012 | 90° | 73° | 81° | — | — |
| 2011 | 84° | 71° | 78° | 4.34" | — |
| 2010 | 95° | 75° | 85° | — | — |
| 2009 | 89° | 73° | 81° | — | — |
| 2008 | 84° | 68° | 76° | — | — |
| 2007 | 88° | 77° | 82° | — | — |
| 2006 | 86° | 74° | 80° | 0.51" | — |
| 2005 | 87° | 73° | 80° | 0.79" | — |
| 2004 | 86° | 67° | 76° | — | — |
| 2003 | 88° | 72° | 80° | — | — |
| 2002 | 94° | 76° | 85° | — | — |
| 2001 | 92° | 71° | 81° | 0.99" | — |
| 2000 | 91° | 71° | 81° | 2.39" | — |
| 1999warmest | 98° | 81° | 89° | — | — |
| 1998 | 93° | 78° | 86° | — | — |
| 1997 | 96° | 75° | 86° | 0.28" | — |
| 1996 | 88° | 70° | 79° | 0.86" | — |
| 1995 | 97° | 74° | 85° | 0.38" | — |
| 1994 | 87° | 72° | 79° | 3.43" | — |
| 1993 | 95° | 74° | 84° | 2.24" | — |
| 1992 | 86° | 67° | 76° | 0.58" | — |
| 1991 | 87° | 73° | 80° | 1.73" | — |
| 1990 | 90° | 70° | 80° | — | — |
| 1989 | 91° | 71° | 81° | 0.05" | — |
| 1988 | 99° | 75° | 87° | — | — |
| 1987 | 96° | 75° | 86° | — | — |
| 1986 | 88° | 75° | 81° | 0.13" | — |
| 1985 | 90° | 74° | 82° | 1.65" | — |
| 1984 | 86° | 69° | 78° | — | — |
| 1983 | 93° | 70° | 81° | — | — |
| 1982 | 79° | 69° | 74° | 0.58" | — |
| 1981 | 78° | 66° | 72° | 0.15" | — |
| 1980 | 87° | 69° | 78° | — | — |
| 1979coldest | 85° | 60° | 72° | — | — |
| 1978 | 95° | 74° | 84° | — | — |
| 1977 | 83° | 69° | 76° | 1.52" | — |
| 1976 | 86° | 61° | 73° | — | — |
| 1975 | 94° | 73° | 83° | 8.38" | — |
| 1974 | 91° | 72° | 81° | 0.1" | — |
| 1973 | 89° | 71° | 80° | 0.97" | — |
| 1972 | 91° | 71° | 81° | 0.41" | — |
| 1971 | 89° | 74° | 81° | 0.84" | — |
55 years of data from WILMINGTON INTL AP