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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.