Knoxville, Tennessee Weather:
Tuesday, April 21, 2026
Cloudy Weather
Day 75°
Night 52°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (April 21, 2025)
Sunny with a Chance of Thunderstorms

Day

79°

Night

63°

Wind

11 mph

UV Index

8

Precipitation

80 %