Weather on August 17
Knoxville, TN
55 Years of Data
Avg High
87°F
Avg Low
66°F
Warmest
2007
86°F avg
Coldest
1979
68°F avg
About This Date
August 17th in Knoxville, TN typically brings warm summer weather, with average highs around 87°F and lows near 66°F. Over 55 years of records, the warmest August 17th was in 2007 (86°F average), while the coldest was 1979 (68°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 17th dates historically, with the wettest August 17th recording 4.95" 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 17th in Knoxville, TN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 66° | 80° | 0.15" | — |
| 2024 | 89° | 67° | 78° | — | — |
| 2023 | 83° | 65° | 74° | — | — |
| 2022 | 84° | 65° | 74° | — | — |
| 2021 | 84° | 70° | 77° | 4.29" | — |
| 2020 | 86° | 67° | 76° | 4.19" | — |
| 2019 | 90° | 62° | 76° | — | — |
| 2018 | 92° | 65° | 78° | — | — |
| 2017 | 89° | 71° | 80° | — | — |
| 2016 | 97° | 73° | 85° | — | — |
| 2015 | 81° | 61° | 71° | 1.96" | — |
| 2014 | 84° | 61° | 72° | — | — |
| 2013 | 75° | 65° | 70° | 1.27" | — |
| 2012 | 87° | 62° | 75° | — | — |
| 2011 | 85° | 61° | 73° | — | — |
| 2010 | 91° | 72° | 81° | 1.7" | — |
| 2009 | 88° | 68° | 78° | — | — |
| 2008 | 83° | 57° | 70° | — | — |
| 2007warmest | 102° | 69° | 86° | 0.13" | — |
| 2006 | 92° | 68° | 80° | — | — |
| 2005 | 94° | 71° | 82° | — | — |
| 2004 | 81° | 58° | 69° | — | — |
| 2003 | 84° | 70° | 77° | 0.41" | — |
| 2002 | 89° | 70° | 79° | 0.08" | — |
| 2001 | 89° | 68° | 79° | 0.1" | — |
| 2000 | 94° | 60° | 77° | — | — |
| 1999 | 93° | 61° | 77° | — | — |
| 1998 | 83° | 68° | 75° | 1.19" | — |
| 1997 | 94° | 71° | 82° | — | — |
| 1996 | 87° | 65° | 76° | — | — |
| 1995 | 98° | 68° | 83° | — | — |
| 1994 | 73° | 66° | 70° | 4.95" | — |
| 1993 | 93° | 67° | 80° | — | — |
| 1992 | 81° | 56° | 68° | — | — |
| 1991 | 87° | 60° | 74° | — | — |
| 1990 | 86° | 66° | 76° | — | — |
| 1989 | 84° | 66° | 75° | — | — |
| 1988 | 95° | 70° | 82° | — | — |
| 1987 | 89° | 66° | 78° | 1.93" | — |
| 1986 | 91° | 71° | 81° | 1.85" | — |
| 1985 | 81° | 68° | 74° | 3.63" | — |
| 1984 | 86° | 65° | 75° | 0.1" | — |
| 1983 | 89° | 66° | 78° | — | — |
| 1982 | 79° | 70° | 74° | 0.64" | — |
| 1981 | 86° | 68° | 77° | — | — |
| 1980 | 92° | 70° | 81° | — | — |
| 1979coldest | 78° | 58° | 68° | — | — |
| 1978 | 88° | 70° | 79° | — | — |
| 1977 | 89° | 74° | 81° | 0.58" | — |
| 1976 | 82° | 64° | 73° | — | — |
| 1975 | 89° | 69° | 79° | 0.08" | — |
| 1974 | 82° | 71° | 77° | 0.05" | — |
| 1973 | 82° | 65° | 73° | — | — |
| 1972 | 91° | 71° | 81° | — | — |
| 1971 | 88° | 67° | 77° | — | — |
55 years of data from KNOXVILLE UNIV OF TENN