Lebanon, TN Weather & Growing Conditions
This Afternoon
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South southeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 15 mph SSE | 1% |
| Tonight | 63°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 15 mph SSE | 88% |
| Wednesday | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 96% |
| Wednesday Night | 49°F | Partly Cloudy then Patchy Fog | 0 to 5 mph WSW | 3% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 44°F | Areas Of Fog | 0 mph | 0% |
| Friday | 68°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 40°F | Partly Cloudy | 5 mph NNW | 1% |
| Saturday | 60°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 34°F | Mostly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph NNW | 7% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 10% |
| Monday | 63°F | Sunny | 0 to 5 mph W | 5% |
| Monday Night | 33°F | Mostly Clear | 0 to 5 mph WSW | 1% |
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 Nov 4, 2026.