Unicoi, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unicoi, a town in Unicoi County, Tennessee.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 81 in the afternoon. Southeast wind around 0 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Unicoi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 67% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms | 0 mph | 73% |
| Wednesday Night | 67°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph S | 56% |
| Thursday | 85°F | Showers And Thunderstorms | 0 to 5 mph S | 75% |
| Thursday Night | 67°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 75% |
| Friday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 72% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 72% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 78% |
| Saturday Night | 67°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 78% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 50% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 50% |
| Monday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 46% |
Forecast source: National Weather Service (api.weather.gov) for Unicoi (36.222, -82.329). Updated through the day.
Growing snapshot for Unicoi
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
More local growing data for Unicoi: nearby ZIP 37692 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Erwin 1 W, Tn (7.4 mi from Unicoi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.