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Whitwell, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Whitwell, a city in Marion County, Tennessee.

Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 90, with temperatures falling to around 83 in the afternoon. Heat index values as high as 96. East wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Whitwell

WhenTempForecastWindPrecip
Today 90°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 47%
Tonight 69°F Chance Showers And Thunderstorms then Mostly Clear 0 mph 28%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 mph 31%
Sunday Night 69°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 30%
Monday 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 45%
Monday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 mph 62%
Tuesday 83°F Showers And Thunderstorms 0 mph 80%
Tuesday Night 65°F Showers And Thunderstorms 0 mph 80%
Wednesday 76°F Rain Showers Likely 0 to 5 mph S 68%
Wednesday Night 61°F Showers And Thunderstorms Likely 0 mph 68%
Thursday 76°F Mostly Sunny then Slight Chance Rain Showers 0 mph 20%
Thursday Night 59°F Slight Chance Rain Showers then Partly Cloudy 0 mph 20%
Friday 76°F Mostly Sunny then Slight Chance Rain Showers 0 to 5 mph N 15%
Friday Night 57°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Whitwell (35.192, -85.522). Updated through the day.

Growing snapshot for Whitwell

Last spring frost
Mar 26
First fall frost
Nov 8
Growing season
228 days
Hardiness zone
7b

More local growing data for Whitwell: nearby ZIP 37397 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Whitwell-Sequatchie Vly, Tn (6.2 mi from Whitwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.