Harman US

Sewanee, TN Weather & Growing Conditions

Today
89°F
Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 89. West northwest wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 89°F Sunny then Chance Showers And Thunderstorms 0 mph 48%
Tonight 70°F Chance Showers And Thunderstorms then Mostly Clear 0 to 5 mph ESE 32%
Sunday 89°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SSW 23%
Sunday Night 70°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SSE 17%
Monday 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 41%
Monday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 to 5 mph ESE 63%
Tuesday 83°F Showers And Thunderstorms 0 to 5 mph SW 76%
Tuesday Night 65°F Showers And Thunderstorms 5 mph NE 76%
Wednesday 77°F Rain Showers Likely 5 mph NNE 64%
Wednesday Night 61°F Showers And Thunderstorms Likely 0 to 5 mph NE 64%
Thursday 76°F Mostly Sunny then Slight Chance Rain Showers 5 mph NNE 15%
Thursday Night 59°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph NNE 15%
Friday 76°F Mostly Sunny 0 to 5 mph NNE 10%
Friday Night 57°F Partly Cloudy 5 mph NE 10%

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.