Weather on January 18
Chattanooga, TN
55 Years of Data
Avg High
49°F
Avg Low
30°F
Warmest
1990
61°F avg
Coldest
1977
15°F avg
About This Date
January 18th in Chattanooga, TN typically brings chilly winter weather, with average highs around 49°F and lows near 30°F. Over 56 years of records, the warmest January 18th was in 1990 (61°F average), while the coldest was 1977 (15°F) — a 46°F range across recorded history. Rain or other precipitation has occurred on about 41% of January 18th dates historically, with the wettest January 18th recording 7.85" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in Chattanooga, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 41° | 27° | 34° | — | — |
| 2025 | 50° | 44° | 47° | 1.98" | — |
| 2024 | 39° | 16° | 28° | 0.3" | — |
| 2023 | 66° | 46° | 56° | 0.03" | — |
| 2022 | 50° | 29° | 40° | — | — |
| 2021 | 54° | 33° | 43° | — | — |
| 2020 | 50° | 43° | 46° | 1.12" | — |
| 2019 | 54° | 43° | 48° | — | — |
| 2018 | 39° | 13° | 26° | — | — |
| 2017 | 67° | 50° | 58° | — | — |
| 2016 | 33° | 20° | 27° | — | — |
| 2015 | 59° | 33° | 46° | — | — |
| 2014 | 45° | 20° | 33° | — | — |
| 2013 | 51° | 29° | 40° | — | — |
| 2012 | 42° | 29° | 35° | — | — |
| 2011 | 44° | 36° | 40° | 0.58" | — |
| 2010 | 62° | 33° | 48° | — | — |
| 2009 | 53° | 34° | 43° | 0.05" | — |
| 2008 | 49° | 38° | 43° | — | — |
| 2007 | 40° | 34° | 37° | 0.03" | — |
| 2006 | 50° | 30° | 40° | — | — |
| 2005 | 35° | 18° | 26° | — | — |
| 2004 | 53° | 35° | 44° | 0.69" | — |
| 2003 | 34° | 11° | 22° | — | — |
| 2002 | 50° | 39° | 45° | 0.3" | — |
| 2001 | 46° | 41° | 44° | 5.03" | — |
| 2000 | 59° | 37° | 48° | 0.18" | — |
| 1999 | 60° | 37° | 49° | 0.99" | — |
| 1998 | 43° | 30° | 36° | 0.61" | — |
| 1997 | 33° | 19° | 26° | — | — |
| 1996 | 63° | 43° | 53° | 2.18" | — |
| 1995 | 66° | 37° | 52° | — | — |
| 1994 | 26° | 6° | 16° | — | — |
| 1993 | 43° | 35° | 39° | 0.05" | — |
| 1992 | 39° | 25° | 32° | — | — |
| 1991 | 59° | 29° | 44° | — | — |
| 1990warmest | 67° | 55° | 61° | 0.84" | — |
| 1989 | 61° | 24° | 42° | — | — |
| 1988 | 52° | 41° | 46° | — | — |
| 1987 | 46° | 44° | 45° | 7.85" | — |
| 1986 | 64° | 37° | 51° | 0.53" | — |
| 1985 | 48° | 31° | 39° | — | — |
| 1984 | 40° | 28° | 34° | 1.63" | — |
| 1983 | 34° | 21° | 27° | — | — |
| 1982 | 34° | 13° | 23° | 0.15" | — |
| 1981 | 52° | 15° | 33° | — | — |
| 1980 | 65° | 40° | 52° | 0.48" | — |
| 1979 | 51° | 32° | 42° | — | — |
| 1978 | 36° | 28° | 32° | — | — |
| 1977coldest | 24° | 6° | 15° | — | — |
| 1976 | 29° | 14° | 21° | — | — |
| 1975 | 48° | 36° | 42° | 0.23" | — |
| 1974 | 65° | 51° | 58° | — | — |
| 1973 | 62° | 27° | 44° | 0.03" | — |
| 1972 | 55° | 16° | 35° | — | — |
| 1971 | 38° | 25° | 31° | — | — |
56 years of data from CHATTANOOGA AP