Weather on March 15
Chattanooga, TN
55 Years of Data
Avg High
65°F
Avg Low
42°F
Warmest
2012
72°F avg
Coldest
1993
28°F avg
About This Date
March 15th in Chattanooga, TN typically brings mild spring weather, with average highs around 65°F and lows near 42°F. Over 56 years of records, the warmest March 15th was in 2012 (72°F average), while the coldest was 1993 (28°F) — a 44°F range across recorded history. Rain or other precipitation has occurred on about 39% of March 15th dates historically, with the wettest March 15th recording 7.16" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Chattanooga, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 47° | 61° | — | — |
| 2025 | 76° | 59° | 67° | 7.14" | — |
| 2024 | 70° | 60° | 65° | 3.23" | — |
| 2023 | 57° | 30° | 44° | — | — |
| 2022 | 64° | 43° | 53° | 0.05" | — |
| 2021 | 69° | 56° | 62° | 0.38" | — |
| 2020 | 61° | 50° | 55° | 0.58" | — |
| 2019 | 67° | 46° | 56° | 0.15" | — |
| 2018 | 68° | 30° | 49° | — | — |
| 2017 | 42° | 27° | 35° | — | — |
| 2016 | 85° | 48° | 66° | — | — |
| 2015 | 75° | 48° | 62° | — | — |
| 2014 | 69° | 41° | 55° | — | — |
| 2013 | 75° | 35° | 55° | — | — |
| 2012warmest | 86° | 57° | 72° | 0.05" | — |
| 2011 | 57° | 45° | 51° | 1.12" | — |
| 2010 | 50° | 45° | 47° | — | — |
| 2009 | 64° | 47° | 55° | 0.71" | — |
| 2008 | 63° | 52° | 57° | 3.02" | — |
| 2007 | 68° | 55° | 62° | 1.88" | — |
| 2006 | 64° | 31° | 47° | — | — |
| 2005 | 54° | 39° | 46° | 0.03" | — |
| 2004 | 58° | 51° | 54° | 0.76" | — |
| 2003 | 59° | 50° | 55° | — | — |
| 2002 | 76° | 49° | 62° | — | — |
| 2001 | 62° | 49° | 55° | 2.41" | — |
| 2000 | 71° | 46° | 59° | — | — |
| 1999 | 55° | 37° | 46° | — | — |
| 1998 | 63° | 36° | 49° | — | — |
| 1997 | 50° | 32° | 41° | — | — |
| 1996 | 72° | 54° | 63° | 1.19" | — |
| 1995 | 75° | 43° | 59° | — | — |
| 1994 | 73° | 40° | 56° | — | — |
| 1993coldest | 46° | 11° | 28° | — | — |
| 1992 | 55° | 29° | 42° | — | — |
| 1991 | 56° | 38° | 47° | — | — |
| 1990 | 76° | 63° | 69° | 1.4" | — |
| 1989 | 73° | 49° | 61° | 2.31" | — |
| 1988 | 41° | 22° | 31° | — | — |
| 1987 | 65° | 34° | 49° | — | — |
| 1986 | 66° | 47° | 56° | — | — |
| 1985 | 60° | 31° | 45° | — | — |
| 1984 | 80° | 36° | 58° | — | — |
| 1983 | 76° | 41° | 58° | — | — |
| 1982 | 63° | 44° | 53° | 4.62" | — |
| 1981 | 65° | 26° | 45° | 0.53" | — |
| 1980 | 67° | 28° | 47° | — | — |
| 1979 | 48° | 29° | 38° | — | — |
| 1978 | 67° | 42° | 54° | — | — |
| 1977 | 78° | 40° | 59° | — | — |
| 1976 | 48° | 40° | 44° | 1.65" | — |
| 1975 | 48° | 32° | 40° | — | — |
| 1974 | 69° | 36° | 52° | — | — |
| 1973 | 68° | 56° | 62° | 7.16" | — |
| 1972 | 74° | 35° | 54° | — | — |
| 1971 | 69° | 44° | 57° | 0.61" | — |
56 years of data from CHATTANOOGA AP