Rockwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwood, a city in Roane County, Tennessee.
Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Heat index values as high as 96. Northeast wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rockwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 28% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 22% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 60% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 59% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 65% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 65% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 56% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 56% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 0 mph | 65% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 65% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
Forecast source: National Weather Service (api.weather.gov) for Rockwood (35.870, -84.675). Updated through the day.
Growing snapshot for Rockwood
Last spring frost
Apr 8
First fall frost
Oct 31
Growing season
203 days
Hardiness zone
7a
More local growing data for Rockwood: nearby ZIP 37854 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rockwood 2, Tn (3.6 mi from Rockwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.