Weather on August 23
Chattanooga, TN
55 Years of Data
Avg High
89°F
Avg Low
69°F
Warmest
2007
90°F avg
Coldest
1997
69°F avg
About This Date
August 23rd in Chattanooga, TN typically brings warm summer weather, with average highs around 89°F and lows near 69°F. Over 55 years of records, the warmest August 23rd was in 2007 (90°F average), while the coldest was 1997 (69°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 23rd dates historically, with the wettest August 23rd recording 3.66" 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 23rd in Chattanooga, TN? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 72° | 79° | — | — |
| 2024 | 89° | 64° | 77° | — | — |
| 2023 | 95° | 78° | 87° | — | — |
| 2022 | 88° | 70° | 79° | — | — |
| 2021 | 92° | 70° | 81° | — | — |
| 2020 | 89° | 72° | 80° | 1.32" | — |
| 2019 | 91° | 74° | 82° | — | — |
| 2018 | 82° | 65° | 73° | — | — |
| 2017 | 89° | 71° | 80° | — | — |
| 2016 | 91° | 65° | 78° | — | — |
| 2015 | 85° | 71° | 78° | 3.45" | — |
| 2014 | 91° | 74° | 82° | 0.97" | — |
| 2013 | 91° | 70° | 80° | — | — |
| 2012 | 89° | 62° | 76° | — | — |
| 2011 | 95° | 69° | 82° | — | — |
| 2010 | 92° | 71° | 81° | — | — |
| 2009 | 81° | 62° | 71° | — | — |
| 2008 | 91° | 76° | 83° | — | — |
| 2007warmest | 105° | 75° | 90° | — | — |
| 2006 | 88° | 70° | 79° | — | — |
| 2005 | 89° | 74° | 81° | — | — |
| 2004 | 85° | 70° | 77° | 0.15" | — |
| 2003 | 92° | 70° | 81° | — | — |
| 2002 | 97° | 72° | 84° | — | — |
| 2001 | 92° | 67° | 79° | — | — |
| 2000 | 92° | 66° | 79° | — | — |
| 1999 | 92° | 68° | 80° | 1.09" | — |
| 1998 | 92° | 67° | 79° | — | — |
| 1997coldest | 81° | 57° | 69° | — | — |
| 1996 | 90° | 69° | 79° | — | — |
| 1995 | 92° | 71° | 81° | — | — |
| 1994 | 85° | 63° | 74° | — | — |
| 1993 | 97° | 70° | 83° | — | — |
| 1992 | 81° | 68° | 74° | 0.58" | — |
| 1991 | 90° | 62° | 76° | — | — |
| 1990 | 90° | 70° | 80° | — | — |
| 1989 | 94° | 71° | 82° | — | — |
| 1988 | 81° | 73° | 77° | 0.84" | — |
| 1987 | 91° | 70° | 80° | — | — |
| 1986 | 91° | 70° | 80° | — | — |
| 1985 | 77° | 65° | 71° | 0.08" | — |
| 1984 | 85° | 64° | 74° | — | — |
| 1983 | 96° | 74° | 85° | 0.23" | — |
| 1982 | 88° | 60° | 74° | 3.66" | — |
| 1981 | 87° | 64° | 76° | — | — |
| 1980 | 90° | 70° | 80° | — | — |
| 1979 | 83° | 72° | 77° | — | — |
| 1978 | 89° | 70° | 79° | — | — |
| 1977 | 92° | 71° | 81° | — | — |
| 1976 | 93° | 71° | 82° | — | — |
| 1975 | 90° | 68° | 79° | — | — |
| 1974 | 87° | 66° | 77° | — | — |
| 1973 | 87° | 61° | 74° | — | — |
| 1972 | 85° | 61° | 73° | — | — |
| 1971 | 86° | 71° | 79° | — | — |
55 years of data from CHATTANOOGA AP