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Seymour, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Seymour, a community in Sevier County, Tennessee.

This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 97. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Seymour

WhenTempForecastWindPrecip
This Afternoon 93°F Slight Chance Showers And Thunderstorms 5 mph NE 24%
Tonight 68°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph E 21%
Sunday 91°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 21%
Sunday Night 69°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 15%
Monday 91°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 39%
Monday Night 68°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 to 5 mph E 61%
Tuesday 86°F Showers And Thunderstorms 0 mph 85%
Tuesday Night 66°F Showers And Thunderstorms 0 to 5 mph E 85%
Wednesday 81°F Showers And Thunderstorms 0 mph 87%
Wednesday Night 63°F Showers And Thunderstorms 0 mph 87%
Thursday 78°F Chance Rain Showers 0 to 5 mph N 53%
Thursday Night 60°F Chance Showers And Thunderstorms 0 to 5 mph N 42%
Friday 77°F Slight Chance Rain Showers 0 to 5 mph NW 24%
Friday Night 57°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph NE 24%

Forecast source: National Weather Service (api.weather.gov) for Seymour (35.883, -83.762). Updated through the day.

Growing snapshot for Seymour

Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
205 days
Hardiness zone
7b

More local growing data for Seymour: nearby ZIP 37865 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Sevierville, Tn (9.4 mi from Seymour). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.