Lebanon, TN Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 0 mph | 6% |
| Saturday | 96°F | Sunny | 0 to 5 mph WSW | 13% |
| Saturday Night | 71°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Sunday | 96°F | Sunny | 5 mph SW | 4% |
| Sunday Night | 71°F | Partly Cloudy | 5 mph S | 4% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 31% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 mph ESE | 51% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 5 mph WSW | 60% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 60% |
| Wednesday | 81°F | Chance Rain Showers | 5 mph N | 33% |
| Wednesday Night | 60°F | Chance Rain Showers | 5 mph N | 26% |
| Thursday | 78°F | Mostly Sunny | 5 mph N | 13% |
| Thursday Night | 59°F | Partly Cloudy | 5 mph NNE | 8% |
| Friday | 78°F | Mostly Sunny | 5 to 10 mph NNE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, TN
Last spring frost
Apr 16
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
7b
Explore more for Lebanon, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Gladeville, Tn (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.