Alcoa, TN Weather & Growing Conditions
Overnight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 15% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 15% |
| Sunday | 93°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 24% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 31% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NE | 64% |
| Tuesday | 87°F | Showers And Thunderstorms | 0 mph | 88% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 to 5 mph NE | 88% |
| Wednesday | 82°F | Showers And Thunderstorms | 0 to 5 mph NW | 80% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph N | 80% |
| Thursday | 80°F | Chance Rain Showers | 0 to 5 mph NW | 39% |
| Thursday Night | 61°F | Chance Rain Showers | 0 to 5 mph NE | 27% |
| Friday | 79°F | Slight Chance Rain Showers | 0 to 10 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alcoa, TN
Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
215 days
Hardiness zone
7b
Explore more for Alcoa, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Knoxville Mcghee Tyson Ap, Tn (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.