Weather on August 18
Wilmington, NC
55 Years of Data
About This Date
August 18th in Wilmington, NC typically brings hot summer weather, with average highs around 90°F and lows near 73°F. Over 56 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 50% of August 18th dates historically, with the wettest August 18th recording 3.3" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Wilmington, NC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 98° | 80° | 89° | — | — |
| 2025 | 92° | 71° | 81° | — | — |
| 2024 | 90° | 77° | 83° | 0.02" | — |
| 2023 | 92° | 76° | 84° | — | — |
| 2022 | 85° | 69° | 77° | — | — |
| 2021 | 90° | 77° | 83° | 0.87" | — |
| 2020 | 92° | 74° | 83° | — | — |
| 2019 | 92° | 75° | 83° | 0.21" | — |
| 2018 | 91° | 77° | 84° | — | — |
| 2017 | 95° | 79° | 87° | — | — |
| 2016 | 94° | 76° | 85° | — | — |
| 2015 | 84° | 72° | 78° | 0.04" | — |
| 2014 | 94° | 74° | 84° | 0.13" | — |
| 2013 | 89° | 71° | 80° | — | — |
| 2012 | 90° | 73° | 81° | — | — |
| 2011 | 84° | 71° | 78° | 1.71" | — |
| 2010 | 95° | 75° | 85° | — | — |
| 2009 | 89° | 73° | 81° | — | — |
| 2008 | 84° | 68° | 76° | — | — |
| 2007 | 88° | 77° | 82° | — | — |
| 2006 | 86° | 74° | 80° | 0.2" | — |
| 2005 | 87° | 73° | 80° | 0.31" | — |
| 2004 | 86° | 67° | 76° | — | — |
| 2003 | 88° | 72° | 80° | — | — |
| 2002 | 94° | 76° | 85° | — | — |
| 2001 | 92° | 71° | 81° | 0.39" | — |
| 2000 | 91° | 71° | 81° | 0.94" | — |
| 1999warmest | 98° | 81° | 89° | — | — |
| 1998 | 93° | 78° | 86° | — | — |
| 1997 | 96° | 75° | 86° | 0.11" | — |
| 1996 | 88° | 70° | 79° | 0.34" | — |
| 1995 | 97° | 74° | 85° | 0.15" | — |
| 1994 | 87° | 72° | 79° | 1.35" | — |
| 1993 | 95° | 74° | 84° | 0.88" | — |
| 1992 | 86° | 67° | 76° | 0.23" | — |
| 1991 | 87° | 73° | 80° | 0.68" | — |
| 1990 | 90° | 70° | 80° | — | — |
| 1989 | 91° | 71° | 81° | 0.02" | — |
| 1988 | 99° | 75° | 87° | — | — |
| 1987 | 96° | 75° | 86° | — | — |
| 1986 | 88° | 75° | 81° | 0.05" | — |
| 1985 | 90° | 74° | 82° | 0.65" | — |
| 1984 | 86° | 69° | 78° | — | — |
| 1983 | 93° | 70° | 81° | — | — |
| 1982 | 79° | 69° | 74° | 0.23" | — |
| 1981 | 78° | 66° | 72° | 0.06" | — |
| 1980 | 87° | 69° | 78° | — | — |
| 1979coldest | 85° | 60° | 72° | — | — |
| 1978 | 95° | 74° | 84° | — | — |
| 1977 | 83° | 69° | 76° | 0.6" | — |
| 1976 | 86° | 61° | 73° | — | — |
| 1975 | 94° | 73° | 83° | 3.3" | — |
| 1974 | 91° | 72° | 81° | 0.04" | — |
| 1973 | 89° | 71° | 80° | 0.38" | — |
| 1972 | 91° | 71° | 81° | 0.16" | — |
| 1971 | 89° | 74° | 81° | 0.33" | — |
Wilmington, NC Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Wilmington, NC Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Wilmington, 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 Wilmington, NC
Most pleasant months in Wilmington, NC: March, April, May, October, November.