Sunbright, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunbright, a city in Morgan County, Tennessee.
Today
93°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 93, with temperatures falling to around 88 in the afternoon. Heat index values as high as 98. North wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sunbright
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 35% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 28% |
| Sunday | 91°F | Mostly Sunny | 0 to 5 mph SW | 12% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Monday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 41% |
| Monday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 59% |
| Tuesday | 83°F | Showers And Thunderstorms | 0 mph | 83% |
| Tuesday Night | 60°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 mph | 83% |
| Wednesday | 77°F | Showers And Thunderstorms | 0 mph | 76% |
| Wednesday Night | 57°F | Showers And Thunderstorms | 0 mph | 76% |
| Thursday | 76°F | Chance Rain Showers | 0 to 5 mph NW | 31% |
| Thursday Night | 55°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 29% |
| Friday | 76°F | Mostly Sunny | 0 to 5 mph N | 12% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph N | 12% |
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 Sep 19, 2026.