Weather on October 18
Chattanooga, TN
55 Years of Data
Avg High
72°F
Avg Low
48°F
Warmest
2007
74°F avg
Coldest
2022
45°F avg
About This Date
October 18th in Chattanooga, TN typically brings pleasant fall weather, with average highs around 72°F and lows near 48°F. Over 55 years of records, the warmest October 18th was in 2007 (74°F average), while the coldest was 2022 (45°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 18th dates historically, with the wettest October 18th recording 2.11" 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 October 18th in Chattanooga, TN? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 57° | 70° | — | — |
| 2024 | 71° | 40° | 55° | — | — |
| 2023 | 72° | 40° | 56° | — | — |
| 2022coldest | 56° | 35° | 45° | — | — |
| 2021 | 73° | 44° | 59° | — | — |
| 2020 | 73° | 46° | 60° | — | — |
| 2019 | 71° | 43° | 57° | — | — |
| 2018 | 68° | 49° | 58° | — | — |
| 2017 | 72° | 43° | 57° | — | — |
| 2016 | 89° | 59° | 74° | — | — |
| 2015 | 63° | 43° | 53° | — | — |
| 2014 | 73° | 53° | 63° | — | — |
| 2013 | 70° | 49° | 59° | — | — |
| 2012 | 72° | 49° | 60° | 1.12" | — |
| 2011 | 81° | 53° | 67° | 1.83" | — |
| 2010 | 73° | 44° | 59° | — | — |
| 2009 | 56° | 38° | 47° | — | — |
| 2008 | 67° | 48° | 57° | — | — |
| 2007warmest | 80° | 68° | 74° | 0.56" | — |
| 2006 | 76° | 60° | 68° | — | — |
| 2005 | 82° | 47° | 64° | — | — |
| 2004 | 75° | 54° | 64° | 0.18" | — |
| 2003 | 70° | 47° | 58° | — | — |
| 2002 | 67° | 40° | 53° | — | — |
| 2001 | 68° | 37° | 53° | — | — |
| 2000 | 77° | 59° | 68° | — | — |
| 1999 | 70° | 53° | 61° | — | — |
| 1998 | 82° | 53° | 68° | — | — |
| 1997 | 66° | 44° | 55° | — | — |
| 1996 | 67° | 40° | 53° | 1.17" | — |
| 1995 | 73° | 42° | 58° | — | — |
| 1994 | 71° | 50° | 61° | — | — |
| 1993 | 75° | 60° | 68° | 0.1" | — |
| 1992 | 65° | 41° | 53° | — | — |
| 1991 | 78° | 36° | 57° | — | — |
| 1990 | 69° | 48° | 59° | 0.56" | — |
| 1989 | 69° | 46° | 58° | 0.41" | — |
| 1988 | 70° | 55° | 62° | 1.27" | — |
| 1987 | 76° | 42° | 59° | — | — |
| 1986 | 72° | 41° | 56° | — | — |
| 1985 | 80° | 61° | 70° | — | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 74° | 55° | 64° | — | — |
| 1982 | 66° | 43° | 54° | — | — |
| 1981 | 71° | 52° | 61° | 1.04" | — |
| 1980 | 72° | 65° | 68° | 0.76" | — |
| 1979 | 78° | 52° | 65° | — | — |
| 1978 | 67° | 33° | 50° | — | — |
| 1977 | 73° | 37° | 55° | — | — |
| 1976 | 63° | 42° | 52° | — | — |
| 1975 | 54° | 46° | 50° | — | — |
| 1974 | 74° | 40° | 57° | — | — |
| 1973 | 72° | 37° | 54° | — | — |
| 1972 | 60° | 50° | 55° | 2.11" | — |
| 1971 | 76° | 57° | 66° | — | — |
55 years of data from CHATTANOOGA AP