Weather on August 21
Clarksville, TN
55 Years of Data
Avg High
89°F
Avg Low
66°F
Warmest
2007
89°F avg
Coldest
1982
68°F avg
About This Date
August 21st in Clarksville, TN typically brings warm summer weather, with average highs around 89°F and lows near 66°F. Over 55 years of records, the warmest August 21st was in 2007 (89°F average), while the coldest was 1982 (68°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 21st dates historically, with the wettest August 21st recording 5.71" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for August 21st in Clarksville, TN? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 65° | 76° | — | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 96° | 73° | 85° | — | — |
| 2022 | 85° | 66° | 75° | 0.84" | — |
| 2021 | 83° | 72° | 77° | 2.21" | — |
| 2020 | 76° | 68° | 72° | 1.3" | — |
| 2019 | 95° | 72° | 83° | 0.76" | — |
| 2018 | 83° | 66° | 74° | 0.05" | — |
| 2017 | 96° | 68° | 82° | — | — |
| 2016 | 80° | 60° | 70° | 0.3" | — |
| 2015 | 89° | 63° | 76° | — | — |
| 2014 | 96° | 71° | 84° | 0.05" | — |
| 2013 | 93° | 70° | 81° | — | — |
| 2012 | 84° | 57° | 71° | — | — |
| 2011 | 92° | 75° | 83° | 5.71" | — |
| 2010 | 89° | 68° | 79° | — | — |
| 2009 | 85° | 67° | 76° | — | — |
| 2008 | 83° | 71° | 77° | 0.1" | — |
| 2007warmest | 101° | 77° | 89° | — | — |
| 2006 | 89° | 75° | 82° | 0.28" | — |
| 2005 | 96° | 76° | 86° | — | — |
| 2004 | 76° | 64° | 70° | 0.25" | — |
| 2003 | 94° | 71° | 82° | — | — |
| 2002 | 96° | 72° | 84° | — | — |
| 2001 | 89° | 60° | 75° | 0.1" | — |
| 2000 | 92° | 64° | 78° | — | — |
| 1999 | 92° | 59° | 75° | — | — |
| 1998 | 92° | 60° | 76° | — | — |
| 1997 | 78° | 62° | 70° | — | — |
| 1996 | 93° | 69° | 81° | — | — |
| 1995 | 93° | 75° | 84° | 0.05" | — |
| 1994 | 82° | 64° | 73° | 0.03" | — |
| 1993 | 91° | 66° | 79° | — | — |
| 1992 | 86° | 62° | 74° | — | — |
| 1991 | 86° | 59° | 73° | — | — |
| 1990 | 96° | 74° | 85° | — | — |
| 1989 | 92° | 71° | 81° | — | — |
| 1988 | 92° | 69° | 80° | — | — |
| 1987 | 100° | 74° | 87° | — | — |
| 1986 | 91° | 63° | 77° | — | — |
| 1985 | 84° | 61° | 72° | — | — |
| 1984 | 93° | 66° | 80° | — | — |
| 1983 | 96° | 70° | 83° | — | — |
| 1982coldest | 85° | 51° | 68° | — | — |
| 1981 | 80° | 62° | 71° | 0.08" | — |
| 1980 | 98° | 70° | 84° | — | — |
| 1979 | 94° | 66° | 80° | 2.08" | — |
| 1978 | 84° | 56° | 70° | — | — |
| 1977 | 84° | 59° | 72° | — | — |
| 1976 | 88° | 58° | 73° | — | — |
| 1975 | 92° | 69° | 80° | — | — |
| 1974 | 88° | 60° | 74° | — | — |
| 1973 | 94° | 57° | 75° | — | — |
| 1972 | 94° | 67° | 80° | — | — |
| 1971 | 90° | 65° | 77° | — | — |
55 years of data from CLARKSVILLE WWTP