Weather on August 15
Chattanooga, TN
55 Years of Data
Avg High
90°F
Avg Low
69°F
Warmest
2007
87°F avg
Coldest
1992
70°F avg
About This Date
August 15th in Chattanooga, TN typically brings hot summer weather, with average highs around 90°F and lows near 69°F. Over 55 years of records, the warmest August 15th was in 2007 (87°F average), while the coldest was 1992 (70°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 15th dates historically, with the wettest August 15th recording 5.82" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Chattanooga, TN? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 72° | 82° | — | — |
| 2024 | 92° | 70° | 81° | — | — |
| 2023 | 87° | 69° | 78° | 0.58" | — |
| 2022 | 91° | 70° | 80° | — | — |
| 2021 | 88° | 71° | 79° | 5.82" | — |
| 2020 | 91° | 74° | 82° | 4.98" | — |
| 2019 | 94° | 71° | 82° | — | — |
| 2018 | 91° | 68° | 80° | — | — |
| 2017 | 91° | 74° | 82° | 0.23" | — |
| 2016 | 95° | 73° | 84° | — | — |
| 2015 | 83° | 71° | 77° | 0.25" | — |
| 2014 | 88° | 63° | 75° | — | — |
| 2013 | 79° | 66° | 72° | — | — |
| 2012 | 88° | 69° | 78° | — | — |
| 2011 | 88° | 65° | 76° | — | — |
| 2010 | 97° | 76° | 86° | — | — |
| 2009 | 92° | 71° | 81° | — | — |
| 2008 | 90° | 64° | 77° | — | — |
| 2007warmest | 103° | 72° | 87° | — | — |
| 2006 | 92° | 74° | 83° | 0.91" | — |
| 2005 | 96° | 73° | 85° | 3.45" | — |
| 2004 | 82° | 57° | 70° | — | — |
| 2003 | 93° | 72° | 82° | — | — |
| 2002 | 92° | 70° | 81° | 0.1" | — |
| 2001 | 90° | 66° | 78° | — | — |
| 2000 | 95° | 64° | 80° | — | — |
| 1999 | 92° | 67° | 79° | — | — |
| 1998 | 80° | 73° | 77° | 2.31" | — |
| 1997 | 91° | 72° | 81° | — | — |
| 1996 | 87° | 63° | 75° | — | — |
| 1995 | 97° | 74° | 85° | — | — |
| 1994 | 83° | 71° | 77° | 4.09" | — |
| 1993 | 95° | 72° | 83° | — | — |
| 1992coldest | 80° | 61° | 70° | — | — |
| 1991 | 87° | 67° | 77° | — | — |
| 1990 | 93° | 70° | 81° | — | — |
| 1989 | 85° | 70° | 77° | 0.89" | — |
| 1988 | 95° | 73° | 84° | — | — |
| 1987 | 85° | 63° | 74° | — | — |
| 1986 | 94° | 70° | 82° | — | — |
| 1985 | 89° | 71° | 80° | — | — |
| 1984 | 89° | 69° | 79° | — | — |
| 1983 | 88° | 64° | 76° | — | — |
| 1982 | 88° | 68° | 78° | — | — |
| 1981 | 95° | 67° | 81° | — | — |
| 1980 | 99° | 73° | 86° | 0.25" | — |
| 1979 | 83° | 62° | 72° | — | — |
| 1978 | 89° | 70° | 79° | 0.05" | — |
| 1977 | 92° | 74° | 83° | 1.14" | — |
| 1976 | 90° | 70° | 80° | — | — |
| 1975 | 86° | 69° | 78° | 0.64" | — |
| 1974 | 87° | 67° | 77° | 0.71" | — |
| 1973 | 86° | 68° | 77° | — | — |
| 1972 | 85° | 61° | 73° | — | — |
| 1971 | 87° | 67° | 77° | — | — |
55 years of data from CHATTANOOGA AP