Weather on March 15
Knoxville, TN
55 Years of Data
Avg High
61°F
Avg Low
37°F
Warmest
1973
71°F avg
Coldest
1993
15°F avg
About This Date
March 15th in Knoxville, TN typically brings mild spring weather, with average highs around 61°F and lows near 37°F. Over 56 years of records, the warmest March 15th was in 1973 (71°F average), while the coldest was 1993 (15°F) — a 56°F range across recorded history. Rain or other precipitation has occurred on about 32% of March 15th dates historically, with the wettest March 15th recording 2.74" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for March 15th in Knoxville, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 70° | 33° | 51° | — | — |
| 2025 | 73° | 40° | 56° | 1.52" | — |
| 2024 | 80° | 40° | 60° | — | — |
| 2023 | 45° | 29° | 37° | — | — |
| 2022 | 62° | 16° | 39° | — | — |
| 2021 | 66° | 50° | 58° | — | — |
| 2020 | 62° | 39° | 51° | — | — |
| 2019 | 57° | 37° | 47° | — | — |
| 2018 | 45° | 31° | 38° | — | — |
| 2017 | 40° | 30° | 35° | — | — |
| 2016 | 70° | 51° | 60° | — | — |
| 2015 | 58° | 40° | 49° | 0.38" | — |
| 2014 | 55° | 31° | 43° | — | — |
| 2013 | 46° | 29° | 37° | — | — |
| 2012 | 79° | 49° | 64° | — | — |
| 2011 | 59° | 49° | 54° | 0.51" | — |
| 2010 | 46° | 42° | 44° | 0.3" | — |
| 2009 | 49° | 45° | 47° | 2.74" | — |
| 2008 | 61° | 44° | 52° | 0.33" | — |
| 2007 | 79° | 52° | 65° | — | — |
| 2006 | 57° | 29° | 43° | — | — |
| 2005 | 48° | 21° | 35° | — | — |
| 2004 | 70° | 42° | 56° | 0.13" | — |
| 2003 | 75° | 51° | 63° | 0.2" | — |
| 2002 | 74° | 50° | 62° | — | — |
| 2001 | 65° | 41° | 53° | 0.94" | — |
| 2000 | 65° | 27° | 46° | — | — |
| 1999 | 54° | 30° | 42° | 1.78" | — |
| 1998 | 62° | 19° | 41° | — | — |
| 1997 | 67° | 30° | 48° | 0.2" | — |
| 1996 | 70° | 49° | 59° | 0.08" | — |
| 1995 | 73° | 38° | 55° | — | — |
| 1994 | 63° | 37° | 50° | — | — |
| 1993coldest | 28° | 2° | 15° | — | — |
| 1992 | 53° | 26° | 40° | — | — |
| 1991 | 44° | 34° | 39° | — | — |
| 1990 | 81° | 52° | 66° | — | — |
| 1989 | 74° | 51° | 62° | — | — |
| 1988 | 37° | 21° | 29° | 0.05" | — |
| 1987 | 62° | 27° | 44° | — | — |
| 1986 | 57° | 50° | 54° | 0.61" | — |
| 1985 | 50° | 28° | 39° | 0.2" | — |
| 1984 | 80° | 34° | 57° | — | — |
| 1983 | 76° | 41° | 58° | — | — |
| 1982 | 53° | 45° | 49° | 2.24" | — |
| 1981 | 54° | 27° | 40° | — | — |
| 1980 | 51° | 29° | 40° | — | — |
| 1979 | 56° | 31° | 43° | — | — |
| 1978 | 70° | 45° | 57° | — | — |
| 1977 | 73° | 44° | 59° | — | — |
| 1976 | 55° | 34° | 44° | — | — |
| 1975 | 42° | 34° | 38° | — | — |
| 1974 | 59° | 36° | 47° | — | — |
| 1973warmest | 82° | 60° | 71° | 2.72" | — |
| 1972 | 59° | 36° | 47° | — | — |
| 1971 | 76° | 53° | 64° | 1.22" | — |
56 years of data from KNOXVILLE UNIV OF TENN