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Sunbright, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sunbright, a city in Morgan County, Tennessee.

This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 72 in the afternoon. South wind around 10 mph, with gusts as high as 25 mph.

7-day forecast for Sunbright

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 10 mph S 2%
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%

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 Nov 3, 2026.