Weather on August 21
Raleigh, NC
55 Years of Data
Avg High
88°F
Avg Low
67°F
Warmest
2007
89°F avg
Coldest
1981
65°F avg
About This Date
August 21st in Raleigh, NC typically brings warm summer weather, with average highs around 88°F and lows near 67°F. Over 55 years of records, the warmest August 21st was in 2007 (89°F average), while the coldest was 1981 (65°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 21st dates historically, with the wettest August 21st recording 3.05" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Raleigh, NC? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 71° | 78° | — | — |
| 2024 | 80° | 62° | 71° | — | — |
| 2023 | 97° | 72° | 84° | — | — |
| 2022 | 85° | 71° | 78° | — | — |
| 2021 | 90° | 71° | 80° | — | — |
| 2020 | 83° | 69° | 76° | — | — |
| 2019 | 90° | 73° | 81° | — | — |
| 2018 | 87° | 73° | 80° | 3.05" | — |
| 2017 | 93° | 73° | 83° | — | — |
| 2016 | 96° | 74° | 85° | — | — |
| 2015 | 88° | 69° | 78° | — | — |
| 2014 | 97° | 73° | 85° | — | — |
| 2013 | 87° | 70° | 78° | — | — |
| 2012 | 82° | 63° | 72° | 0.25" | — |
| 2011 | 93° | 70° | 81° | — | — |
| 2010 | 89° | 68° | 79° | — | — |
| 2009 | 88° | 75° | 81° | 0.08" | — |
| 2008 | 91° | 69° | 80° | — | — |
| 2007warmest | 101° | 77° | 89° | — | — |
| 2006 | 92° | 75° | 83° | — | — |
| 2005 | 93° | 69° | 81° | — | — |
| 2004 | 87° | 75° | 81° | — | — |
| 2003 | 88° | 67° | 77° | — | — |
| 2002 | 92° | 71° | 81° | — | — |
| 2001 | 84° | 66° | 75° | — | — |
| 2000 | 78° | 57° | 68° | — | — |
| 1999 | 85° | 66° | 75° | 2.26" | — |
| 1998 | 85° | 56° | 70° | — | — |
| 1997 | 86° | 67° | 76° | 1.07" | — |
| 1996 | 85° | 61° | 73° | — | — |
| 1995 | 91° | 59° | 75° | — | — |
| 1994 | 85° | 69° | 77° | 0.79" | — |
| 1993 | 91° | 67° | 79° | 0.2" | — |
| 1992 | 81° | 63° | 72° | — | — |
| 1991 | 81° | 58° | 69° | 0.05" | — |
| 1990 | 90° | 68° | 79° | — | — |
| 1989 | 87° | 72° | 79° | — | — |
| 1988 | 84° | 72° | 78° | 1.07" | — |
| 1987 | 89° | 68° | 79° | 0.1" | — |
| 1986 | 85° | 71° | 78° | — | — |
| 1985 | 87° | 69° | 78° | 0.64" | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 103° | 72° | 87° | — | — |
| 1982 | 86° | 68° | 77° | — | — |
| 1981coldest | 77° | 54° | 65° | — | — |
| 1980 | 90° | 70° | 80° | — | — |
| 1979 | 94° | 67° | 80° | — | — |
| 1978 | 85° | 59° | 72° | — | — |
| 1977 | 84° | 65° | 74° | — | — |
| 1976 | — | 64° | — | 0.43" | — |
| 1975 | 91° | 64° | 78° | — | — |
| 1974 | 83° | 63° | 73° | — | — |
| 1973 | 83° | 61° | 72° | 0.18" | — |
| 1972 | 83° | 60° | 71° | — | — |
| 1971 | 90° | 70° | 80° | — | — |
55 years of data from RALEIGH 4 SW