Helenwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Helenwood, a community in Scott County, Tennessee.
Today
87°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 87, with temperatures falling to around 84 in the afternoon. Northeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Helenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 37% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 35% |
| Wednesday | 86°F | Slight Chance Showers And Thunderstorms | 0 mph | 70% |
| Wednesday Night | 67°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 69% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 63% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph S | 63% |
| Friday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 63% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 63% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 70% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 70% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
Forecast source: National Weather Service (api.weather.gov) for Helenwood (36.434, -84.553). Updated through the day.
Growing snapshot for Helenwood
Last spring frost
Apr 23
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
7a
More local growing data for Helenwood: nearby ZIP 37755 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oneida, Tn (5.5 mi from Helenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.