Sewanee, TN Weather & Growing Conditions
Tonight
69°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 19% |
| Sunday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Sunday Night | 69°F | Partly Cloudy | 0 mph | 14% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SE | 55% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 0 mph | 73% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 73% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 66% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph ENE | 66% |
| Thursday | 76°F | Chance Rain Showers | 0 to 5 mph NNE | 25% |
| Thursday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 24% |
| Friday | 77°F | Mostly Sunny | 0 to 5 mph N | 9% |
| Friday Night | 56°F | Mostly Clear | 0 to 5 mph N | 9% |
| Saturday | 77°F | Mostly Sunny | 0 to 5 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sewanee, TN
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
216 days
Hardiness zone
7b
Explore more for Sewanee, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Sewanee, Tn (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.