Rocky Top, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rocky Top, a city in Anderson County, Tennessee.
This Afternoon
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 92, with temperatures falling to around 89 in the afternoon. Heat index values as high as 97. Southeast wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Rocky Top
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Chance Showers And Thunderstorms | 0 mph | 34% |
| Tonight | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 35% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 0 mph | 15% |
| Monday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 53% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 55% |
| Tuesday | 84°F | Showers And Thunderstorms | 0 mph | 80% |
| Tuesday Night | 65°F | Showers And Thunderstorms | 0 mph | 80% |
| Wednesday | 79°F | Showers And Thunderstorms | 0 mph | 85% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 mph | 85% |
| Thursday | 76°F | Chance Rain Showers | 0 mph | 50% |
| Thursday Night | 59°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 41% |
| Friday | 76°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 16% |
| Friday Night | 56°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov) for Rocky Top (36.225, -84.155). Updated through the day.
Growing snapshot for Rocky Top
Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
184 days
Hardiness zone
7b
More local growing data for Rocky Top: nearby ZIP 37769 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Norris, Tn (5.3 mi from Rocky Top). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.