Louisville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Louisville, a city in Blount County, Tennessee.
This Afternoon
94°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 102. North wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Louisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Isolated Showers And Thunderstorms | 5 mph N | 22% |
| Tonight | 72°F | Isolated Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 21% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 26% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 29% |
| Sunday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 25% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 31% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 53% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 0 mph | 73% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 73% |
| Wednesday | 82°F | Rain Showers Likely | 0 mph | 65% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely | 0 mph | 65% |
| Thursday | 79°F | Chance Rain Showers | 0 to 5 mph N | 30% |
| Thursday Night | 63°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Louisville (35.823, -84.053). Updated through the day.
Growing snapshot for Louisville
Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
215 days
Hardiness zone
7b
More local growing data for Louisville: nearby ZIP 37777 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Knoxville Mcghee Tyson Ap, Tn (3.7 mi from Louisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.