Knox County Weather in April
Average highs run from 66°F on April 1 to 75°F on April 30, and lows from 39°F to 49°F. Normal precipitation for the month is 5.25 in over about 11 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 71°F
- Average low
- 44°F
- Precipitation
- 5.25 in
- Record high
- 90°FApr 28, 1986
- Record low
- 21°FApr 8, 2007
- Chance of a freeze
- 79%
- Daylight
- 12 h 36 min to 13 h 38 min
- Cloud cover
- 63%
- Humidity
- 78%
- Dew point
- 49°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Apr 1 | 66°F | 39°F | 83°F 1986 | 23°F 1987 | 40% | |
| Apr 2 | 67°F | 40°F | 84°F 2010 | 25°F 1992 | 40% | |
| Apr 3 | 67°F | 40°F | 85°F 2010 | 22°F 1992 | 39% | |
| Apr 4 | 67°F | 40°F | 86°F 2025 | 27°F 1975 | 39% | |
| Apr 5 | 68°F | 40°F | 85°F 2023 | 26°F 1975 | 39% | |
| Apr 6 | 68°F | 41°F | 89°F 2023 | 22°F 1982 | 39% | |
| Apr 7 | 68°F | 41°F | 85°F 2010 | 26°F 1982 | 39% | |
| Apr 8 | 69°F | 41°F | 83°F 2001 | 21°F 2007 | 39% | |
| Apr 9 | 69°F | 42°F | 83°F 2001 | 22°F 2007 | 38% | |
| Apr 10 | 69°F | 42°F | 84°F 1995 | 24°F 1966 | 38% | |
| Apr 11 | 70°F | 42°F | 89°F 1995 | 26°F 1996 | 38% | |
| Apr 12 | 70°F | 43°F | 85°F 2001 | 26°F 1989 | 38% | |
| Apr 13 | 70°F | 43°F | 81°F 2015 | 27°F 1975 | 38% | |
| Apr 14 | 71°F | 43°F | 84°F 2017 | 30°F 1997 | 38% | |
| Apr 15 | 71°F | 44°F | 85°F 2006 | 28°F 1983 | 38% | |
| Apr 16 | 71°F | 44°F | 86°F 2017 | 28°F 2014 | 38% | |
| Apr 17 | 71°F | 44°F | 87°F 2002 | 31°F 1988 | 38% | |
| Apr 18 | 72°F | 45°F | 84°F 2002 | 24°F 1983 | 38% | |
| Apr 19 | 72°F | 45°F | 88°F 2002 | 23°F 1983 | 38% | |
| Apr 20 | 72°F | 45°F | 88°F 2002 | 26°F 1983 | 38% | 0% |
| Apr 21 | 73°F | 46°F | 87°F 2002 | 32°F 1988 | 38% | 0% |
| Apr 22 | 73°F | 46°F | 86°F 1985 | 28°F 1982 | 38% | 0% |
| Apr 23 | 73°F | 46°F | 89°F 1980 | 26°F 1986 | 38% | 0% |
| Apr 24 | 73°F | 47°F | 86°F 1987 | 29°F 1986 | 38% | 0% |
| Apr 25 | 74°F | 47°F | 86°F 2009 | 32°F 1974 | 38% | 0% |
| Apr 26 | 74°F | 47°F | 86°F 2009 | 32°F 1974 | 37% | 0% |
| Apr 27 | 74°F | 48°F | 89°F 1986 | 35°F 1996 | 37% | 0% |
| Apr 28 | 74°F | 48°F | 90°F 1986 | 36°F 1988 | 37% | 0% |
| Apr 29 | 75°F | 48°F | 85°F 1975 | 34°F 1988 | 37% | 0% |
| Apr 30 | 75°F | 49°F | 90°F 2017 | 35°F 1988 | 37% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 7:22 AM, sunset 7:58 PM
- April 30
- sunrise 6:44 AM, sunset 8:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00404946 (Knoxville Exp Stn), public domain. Records: NOAA GHCN-Daily, station USC00404946, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.