Unicoi, TN Weather & Growing Conditions
Today
81°F
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Mostly sunny. High near 81, with temperatures falling to around 77 in the afternoon. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph S | 67% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 47% |
| Wednesday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 77% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph SE | 57% |
| Thursday | 81°F | Showers And Thunderstorms | 0 to 5 mph S | 84% |
| Thursday Night | 65°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 84% |
| Friday | 82°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 80% |
| Friday Night | 65°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 80% |
| Saturday | 81°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 80% |
| Saturday Night | 65°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 80% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 53% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Monday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unicoi, TN
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
183 days
Hardiness zone
7a
Explore more for Unicoi, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Erwin 1 W, Tn (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.