Lewisburg, TN Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 104. Northwest wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 mph | 11% |
| Tonight | 71°F | Mostly Clear | 0 mph | 7% |
| Sunday | 97°F | Sunny | 0 to 5 mph WSW | 14% |
| Sunday Night | 69°F | Partly Cloudy | 0 mph | 5% |
| Monday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 24% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Areas Of Fog | 0 mph | 52% |
| Tuesday | 89°F | Areas Of Fog then Showers And Thunderstorms Likely | 0 to 5 mph N | 57% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 57% |
| Wednesday | 83°F | Chance Rain Showers | 0 to 5 mph N | 45% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 34% |
| Thursday | 82°F | Mostly Sunny | 0 to 5 mph NNE | 12% |
| Thursday Night | 57°F | Partly Cloudy | 0 to 5 mph NNE | 11% |
| Friday | 81°F | Mostly Sunny | 0 to 10 mph NNE | 5% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewisburg, TN
Last spring frost
Apr 14
First fall frost
Oct 22
Growing season
192 days
Hardiness zone
7b
Explore more for Lewisburg, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lewisburg Exp Stn, Tn (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.