Sunbright, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunbright, a city in Morgan County, Tennessee.
Tonight
61°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sunbright
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 26% |
| Wednesday | 69°F | Showers And Thunderstorms | 10 to 15 mph S | 96% |
| Wednesday Night | 54°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph SW | 87% |
| Thursday | 72°F | Mostly Sunny | 0 to 5 mph W | 5% |
| Thursday Night | 44°F | Mostly Cloudy | 0 mph | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NW | 4% |
| Friday Night | 38°F | Partly Cloudy | 0 to 5 mph NW | 4% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 31°F | Mostly Cloudy | 0 to 5 mph N | 2% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph NW | 7% |
| Sunday Night | 29°F | Mostly Clear | 0 to 5 mph NW | 8% |
| Monday | 62°F | Sunny | 0 to 5 mph NW | 9% |
| Monday Night | 30°F | Mostly Clear | 0 to 5 mph W | 6% |
| Tuesday | 66°F | Sunny | 0 to 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sunbright (36.243, -84.680). Updated through the day.
Growing snapshot for Sunbright
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
177 days
Hardiness zone
7a
More local growing data for Sunbright: nearby ZIP 37872 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lancing 6 Nw, Tn (8.6 mi from Sunbright). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.