Weather on April 18
Knoxville, TN
55 Years of Data
Avg High
71°F
Avg Low
45°F
Warmest
2002
71°F avg
Coldest
1983
33°F avg
About This Date
April 18th in Knoxville, TN typically brings pleasant spring weather, with average highs around 71°F and lows near 45°F — a 26°F daily swing. Over 55 years of records, the warmest April 18th was in 2002 (71°F average), while the coldest was 1983 (33°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 29% of April 18th dates historically, with the wettest April 18th recording 3.2" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Knoxville, TN? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 35° | 60° | — | — |
| 2024 | 80° | 54° | 67° | — | — |
| 2023 | 67° | 45° | 56° | — | — |
| 2022 | 69° | 50° | 60° | — | — |
| 2021 | 70° | 42° | 56° | — | — |
| 2020 | 59° | 39° | 49° | — | — |
| 2019 | 78° | 49° | 63° | — | — |
| 2018 | 70° | 32° | 51° | — | — |
| 2017 | 80° | 61° | 70° | 1.85" | — |
| 2016 | 78° | 39° | 59° | — | — |
| 2015 | 77° | 58° | 67° | — | — |
| 2014 | 66° | 42° | 54° | — | — |
| 2013 | 75° | 55° | 65° | 0.1" | — |
| 2012 | 70° | 52° | 61° | 0.56" | — |
| 2011 | 69° | 41° | 55° | — | — |
| 2010 | 73° | 37° | 55° | — | — |
| 2009 | 75° | 42° | 59° | — | — |
| 2008 | 76° | 41° | 58° | — | — |
| 2007 | 73° | 39° | 56° | — | — |
| 2006 | 84° | 58° | 71° | — | — |
| 2005 | 76° | 44° | 60° | — | — |
| 2004 | 80° | 49° | 64° | — | — |
| 2003 | 61° | 51° | 56° | 3.2" | — |
| 2002warmest | 84° | 58° | 71° | — | — |
| 2001 | 47° | 30° | 38° | — | — |
| 2000 | 73° | 51° | 62° | 0.08" | — |
| 1999 | 55° | 40° | 47° | — | — |
| 1998 | 63° | 49° | 56° | 0.13" | — |
| 1997 | 57° | 36° | 46° | — | — |
| 1996 | 71° | 35° | 53° | — | — |
| 1995 | 66° | 57° | 62° | 0.99" | — |
| 1994 | 76° | 40° | 58° | — | — |
| 1993 | 63° | 33° | 48° | — | — |
| 1992 | 82° | 54° | 68° | — | — |
| 1991 | 82° | 48° | 65° | — | — |
| 1990 | 71° | 35° | 53° | 0.91" | — |
| 1989 | 78° | 42° | 60° | — | — |
| 1988 | 72° | 31° | 51° | 0.99" | — |
| 1987 | 59° | 47° | 53° | 0.05" | — |
| 1986 | 51° | 41° | 46° | — | — |
| 1985 | 79° | 47° | 63° | — | — |
| 1984 | 57° | 41° | 49° | 0.05" | — |
| 1983coldest | 43° | 24° | 33° | 0.25" | — |
| 1982 | 67° | 42° | 54° | 0.46" | — |
| 1981 | 68° | 57° | 63° | 0.97" | — |
| 1980 | 68° | 42° | 55° | — | — |
| 1979 | 71° | 44° | 58° | — | — |
| 1978 | 78° | 57° | 68° | 1.83" | — |
| 1977 | 83° | 58° | 70° | — | — |
| 1976 | 84° | 54° | 69° | — | — |
| 1975 | 77° | 59° | 68° | — | — |
| 1974 | 51° | 40° | 45° | — | — |
| 1973 | 64° | 54° | 59° | 0.15" | — |
| 1972 | 72° | 48° | 60° | — | — |
| 1971 | 82° | 45° | 63° | — | — |
55 years of data from KNOXVILLE UNIV OF TENN