Unicoi, TN Weather & Growing Conditions
Tonight
66°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 66. South wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Scattered Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
| Saturday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 29% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 43% |
| Sunday | 83°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 64% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 64% |
| Monday | 83°F | Showers And Thunderstorms Likely | 0 mph | 69% |
| Monday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph S | 69% |
| Tuesday | 78°F | Showers And Thunderstorms | 0 to 5 mph S | 83% |
| Tuesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph SE | 83% |
| Wednesday | 72°F | Rain Showers Likely | 5 mph SE | 60% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 60% |
| Thursday | 70°F | Chance Rain Showers | 0 to 5 mph W | 38% |
| Thursday Night | 56°F | Chance Rain Showers | 0 to 5 mph NE | 38% |
| Friday | 72°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph N | 25% |
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 Sep 19, 2026.