Weather on March 18
Knoxville, TN
55 Years of Data
Avg High
62°F
Avg Low
38°F
Warmest
1982
67°F avg
Coldest
2005
28°F avg
About This Date
March 18th in Knoxville, TN typically brings mild spring weather, with average highs around 62°F and lows near 38°F. Over 56 years of records, the warmest March 18th was in 1982 (67°F average), while the coldest was 2005 (28°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 45% of March 18th dates historically, with the wettest March 18th recording 5.16" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Knoxville, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 29° | 39° | — | — |
| 2025 | 72° | 30° | 51° | — | — |
| 2024 | 66° | 48° | 57° | — | — |
| 2023 | 66° | 25° | 45° | 0.61" | — |
| 2022 | 73° | 50° | 62° | — | — |
| 2021 | 65° | 50° | 57° | 2.39" | — |
| 2020 | 59° | 51° | 55° | 0.15" | — |
| 2019 | 60° | 30° | 45° | — | — |
| 2018 | 75° | 50° | 63° | 2.06" | — |
| 2017 | 60° | 17° | 39° | 0.13" | — |
| 2016 | 71° | 42° | 57° | — | — |
| 2015 | 76° | 40° | 58° | — | — |
| 2014 | 43° | 38° | 40° | 0.15" | — |
| 2013 | 73° | 50° | 62° | — | — |
| 2012 | 76° | 52° | 64° | 1.35" | — |
| 2011 | 73° | 33° | 53° | — | — |
| 2010 | 51° | 42° | 47° | — | — |
| 2009 | 69° | 38° | 53° | — | — |
| 2008 | 65° | 41° | 53° | — | — |
| 2007 | 48° | 25° | 36° | — | — |
| 2006 | 60° | 33° | 47° | — | — |
| 2005coldest | 38° | 19° | 28° | 0.23" | — |
| 2004 | 58° | 43° | 50° | 0.58" | — |
| 2003 | 70° | 50° | 60° | 0.25" | — |
| 2002 | 65° | 56° | 60° | 5.16" | — |
| 2001 | 49° | 37° | 43° | — | — |
| 2000 | 53° | 27° | 40° | — | — |
| 1999 | 71° | 36° | 53° | — | — |
| 1998 | 59° | 37° | 48° | 0.03" | — |
| 1997 | 63° | 33° | 48° | 0.03" | — |
| 1996 | 69° | 34° | 51° | — | — |
| 1995 | 76° | 38° | 57° | — | — |
| 1994 | 57° | 27° | 42° | — | — |
| 1993 | 48° | 31° | 39° | 0.1" | — |
| 1992 | 72° | 36° | 54° | — | — |
| 1991 | 62° | 46° | 54° | 1.22" | — |
| 1990 | 62° | 37° | 50° | 0.05" | — |
| 1989 | 76° | 38° | 57° | 0.33" | — |
| 1988 | 52° | 26° | 39° | — | — |
| 1987 | 65° | 44° | 54° | — | — |
| 1986 | 67° | 32° | 49° | — | — |
| 1985 | 57° | 28° | 43° | — | — |
| 1984 | 69° | 52° | 60° | 0.41" | — |
| 1983 | 61° | 47° | 54° | 0.05" | — |
| 1982warmest | 77° | 57° | 67° | 0.1" | — |
| 1981 | 65° | 36° | 50° | — | — |
| 1980 | 63° | 37° | 50° | 0.66" | — |
| 1979 | 67° | 40° | 53° | — | — |
| 1978 | 42° | 27° | 34° | 0.28" | — |
| 1977 | 69° | 49° | 59° | 1.88" | — |
| 1976 | 53° | 34° | 43° | — | — |
| 1975 | 58° | 47° | 52° | — | — |
| 1974 | 49° | 33° | 41° | — | — |
| 1973 | 45° | 35° | 40° | 0.03" | — |
| 1972 | 48° | 38° | 43° | 0.1" | — |
| 1971 | 51° | 30° | 41° | — | — |
56 years of data from KNOXVILLE UNIV OF TENN