Sewanee, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sewanee, a community in Franklin County, Tennessee.
Tonight
63°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
A chance of rain showers between 7pm and 9pm, then showers and thunderstorms likely between 9pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Sewanee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 15 to 20 mph SSE | 92% |
| Wednesday | 68°F | Showers And Thunderstorms | 5 to 15 mph SSW | 97% |
| Wednesday Night | 57°F | Areas Of Fog | 0 to 5 mph W | 13% |
| Thursday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WNW | 2% |
| Thursday Night | 53°F | Partly Cloudy | 0 mph | 2% |
| Friday | 67°F | Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 48°F | Mostly Clear | 5 mph NNW | 1% |
| Saturday | 58°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 42°F | Partly Cloudy | 5 mph N | 2% |
| Sunday | 59°F | Mostly Sunny | 5 mph NNW | 8% |
| Sunday Night | 41°F | Mostly Clear | 5 mph NW | 8% |
| Monday | 61°F | Sunny | 5 mph NW | 4% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sewanee (35.198, -85.921). Updated through the day.
Growing snapshot for Sewanee
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
216 days
Hardiness zone
7b
More local growing data for Sewanee: nearby ZIP 37383 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sewanee, Tn (0.6 mi from Sewanee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.