Weather on August 18
Clarksville, TN
55 Years of Data
Avg High
90°F
Avg Low
67°F
Warmest
1988
88°F avg
Coldest
1976
67°F avg
About This Date
August 18th in Clarksville, TN typically brings hot summer weather, with average highs around 90°F and lows near 67°F. Over 55 years of records, the warmest August 18th was in 1988 (88°F average), while the coldest was 1976 (67°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 18th dates historically, with the wettest August 18th recording 4.06" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for August 18th in Clarksville, TN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 101° | 71° | 86° | — | — |
| 2024 | 91° | 68° | 80° | — | — |
| 2023 | 88° | 59° | 73° | — | — |
| 2022 | 88° | 63° | 75° | — | — |
| 2021 | 89° | 72° | 80° | 1.47" | — |
| 2020 | 87° | 67° | 77° | 0.15" | — |
| 2019 | 97° | 71° | 84° | — | — |
| 2018 | 88° | 68° | 78° | — | — |
| 2017 | 89° | 67° | 78° | — | — |
| 2016 | 82° | 71° | 77° | 0.64" | — |
| 2015 | 82° | 68° | 75° | — | — |
| 2014 | 89° | 71° | 80° | — | — |
| 2013 | 84° | 67° | 75° | — | — |
| 2012 | 82° | 57° | 70° | — | — |
| 2011 | 96° | 67° | 81° | — | — |
| 2010 | 95° | 66° | 81° | 4.06" | — |
| 2009 | 88° | 71° | 79° | 0.03" | — |
| 2008 | 91° | 57° | 74° | — | — |
| 2007 | 103° | 69° | 86° | — | — |
| 2006 | 94° | 74° | 84° | — | — |
| 2005 | 94° | 73° | 83° | 0.97" | — |
| 2004 | 90° | 64° | 77° | 0.38" | — |
| 2003 | 94° | 72° | 83° | — | — |
| 2002 | 89° | 74° | 81° | 0.3" | — |
| 2001 | 89° | 71° | 80° | — | — |
| 2000 | 83° | 70° | 76° | 1.02" | — |
| 1999 | 97° | 69° | 83° | — | — |
| 1998 | 90° | 69° | 79° | — | — |
| 1997 | 89° | 71° | 80° | — | — |
| 1996 | 93° | 68° | 81° | — | — |
| 1995 | 96° | 76° | 86° | 1.12" | — |
| 1994 | 90° | 64° | 77° | — | — |
| 1993 | 97° | 74° | 85° | 0.56" | — |
| 1992 | 83° | 58° | 70° | — | — |
| 1991 | 89° | 69° | 79° | — | — |
| 1990 | 95° | 70° | 82° | — | — |
| 1989 | 84° | 62° | 73° | — | — |
| 1988warmest | 102° | 74° | 88° | — | — |
| 1987 | 88° | 69° | 78° | 0.03" | — |
| 1986 | 91° | 67° | 79° | — | — |
| 1985 | 92° | 66° | 79° | — | — |
| 1984 | 85° | 68° | 76° | 0.05" | — |
| 1983 | 92° | 67° | 79° | 0.15" | — |
| 1982 | 87° | 55° | 71° | — | — |
| 1981 | 73° | 64° | 69° | — | — |
| 1980 | 98° | 74° | 86° | — | — |
| 1979 | 87° | 60° | 74° | — | — |
| 1978 | 97° | 68° | 82° | — | — |
| 1977 | 88° | 58° | 73° | 0.08" | — |
| 1976coldest | 81° | 53° | 67° | — | — |
| 1975 | 90° | 69° | 79° | — | — |
| 1974 | 90° | 67° | 78° | 0.56" | — |
| 1973 | 89° | 65° | 77° | — | — |
| 1972 | 92° | 68° | 80° | — | — |
| 1971 | 88° | 64° | 76° | 0.18" | — |
55 years of data from CLARKSVILLE WWTP