Unicoi, TN Weather & Growing Conditions
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Southeast wind 10 to 15 mph, with gusts as high as 35 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 10 to 15 mph SE | 5% |
| Wednesday | 66°F | Showers And Thunderstorms | 10 to 15 mph S | 75% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 10 mph S | 95% |
| Thursday | 70°F | Chance Rain Showers | 0 to 5 mph SW | 31% |
| Thursday Night | 55°F | Chance Rain Showers | 0 mph | 32% |
| Friday | 66°F | Chance Rain Showers | 0 to 5 mph NW | 32% |
| Friday Night | 48°F | Partly Cloudy | 0 mph | 10% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph NW | 13% |
| Saturday Night | 42°F | Partly Cloudy | 0 mph | 7% |
| Sunday | 58°F | Mostly Sunny | 0 to 5 mph NW | 7% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph W | 14% |
| Monday | 57°F | Slight Chance Rain Showers | 0 to 5 mph W | 18% |
| Monday Night | 40°F | Slight Chance Rain Showers | 0 to 5 mph SW | 18% |
| Tuesday | 61°F | Sunny | 0 to 5 mph W | 10% |
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 Nov 4, 2026.