Harman US

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

WhenTempForecastWindPrecip
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

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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.