Rockwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwood, a city in Roane County, Tennessee.
Today
94°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 90 in the afternoon. Heat index values as high as 103. 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 Rockwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 34% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 32% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 24% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 31% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 64% |
| Tuesday | 85°F | Showers And Thunderstorms | 0 mph | 82% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 0 mph | 82% |
| Wednesday | 79°F | Showers And Thunderstorms | 0 mph | 77% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 mph | 77% |
| Thursday | 78°F | Chance Rain Showers | 0 mph | 33% |
| Thursday Night | 59°F | Chance Rain Showers then Partly Cloudy | 0 mph | 30% |
| Friday | 78°F | Slight Chance Rain Showers | 0 to 5 mph N | 17% |
| Friday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 17% |
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 Sep 19, 2026.