Sewanee, TN Weather & Growing Conditions
Tonight
70°F
Mostly Clear
Mostly clear, with a low around 70. East wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Clear | 0 mph | 8% |
| Saturday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNW | 40% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 19% |
| Sunday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 17% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 51% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 51% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SSW | 69% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph ENE | 69% |
| Wednesday | 79°F | Chance Rain Showers | 5 mph N | 44% |
| Wednesday Night | 61°F | Chance Rain Showers then Partly Cloudy | 5 mph NNE | 44% |
| Thursday | 76°F | Mostly Sunny | 5 mph N | 14% |
| Thursday Night | 59°F | Partly Cloudy | 5 mph N | 14% |
| Friday | 77°F | Mostly Sunny | 5 mph N | 11% |
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 (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.