Powell, TN Weather & Growing Conditions
Overnight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 92°F | Patchy Fog then Chance Showers And Thunderstorms | 0 mph | 25% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 22% |
| Sunday | 90°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Monday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 39% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 64% |
| Tuesday | 84°F | Showers And Thunderstorms | 0 mph | 84% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 0 mph | 84% |
| Wednesday | 79°F | Showers And Thunderstorms | 0 mph | 76% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 mph | 76% |
| Thursday | 77°F | Chance Rain Showers | 0 to 5 mph N | 38% |
| Thursday Night | 59°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 27% |
| Friday | 77°F | Slight Chance Rain Showers | 0 to 5 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Powell, TN
Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
7b
Explore more for Powell, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Oak Ridge Asos, Tn (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.