Lebanon, TN Weather & Growing Conditions
Today
72°F
Showers And Thunderstorms
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms | 5 to 15 mph SSW | 99% |
| Tonight | 44°F | Areas Of Fog | 0 to 5 mph W | 1% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 41°F | Areas Of Fog | 0 mph | 0% |
| Friday | 68°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 36°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 29°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 59°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 28°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 62°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 30°F | Clear | 0 mph | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph W | 1% |
| Tuesday Night | 33°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, TN
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
7b
Explore more for Lebanon, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lebanon 7 N, Tn (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.