Harman US

Louisville, TN Weather & Growing Conditions

Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Heat index values as high as 95. Northeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 43%
Tonight 70°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 41%
Wednesday 87°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 53%
Wednesday Night 70°F Chance Showers And Thunderstorms 0 mph 50%
Thursday 87°F Chance Showers And Thunderstorms 0 to 5 mph SW 50%
Thursday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 50%
Friday 88°F Chance Showers And Thunderstorms 0 to 5 mph SW 40%
Friday Night 71°F Chance Showers And Thunderstorms 0 to 5 mph SW 40%
Saturday 88°F Chance Showers And Thunderstorms 0 to 5 mph W 49%
Saturday Night 70°F Chance Showers And Thunderstorms 0 to 5 mph SW 49%
Sunday 88°F Chance Showers And Thunderstorms 0 mph 36%
Sunday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 36%
Monday 89°F Chance Showers And Thunderstorms 0 to 5 mph SW 39%
Monday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 39%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Louisville, TN

Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
215 days
Hardiness zone
7b

Explore more for Louisville, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Knoxville Mcghee Tyson Ap, Tn (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.