Harman US

Savannah, TN Weather & Growing Conditions

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

Tonight
61°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A slight chance of rain showers between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms. Mostly cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast for Savannah

WhenTempForecastWindPrecip
Tonight 61°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 15 mph S 99%
Wednesday 74°F Chance Showers And Thunderstorms then Mostly Sunny 5 to 10 mph WSW 46%
Wednesday Night 44°F Partly Cloudy 0 mph 0%
Thursday 72°F Mostly Sunny 0 mph 0%
Thursday Night 43°F Partly Cloudy 0 mph 0%
Friday 69°F Mostly Sunny 0 to 10 mph NNW 0%
Friday Night 38°F Partly Cloudy 0 to 5 mph NNW 1%
Saturday 62°F Mostly Sunny 0 to 10 mph N 0%
Saturday Night 34°F Partly Cloudy 0 mph 1%
Sunday 63°F Mostly Sunny 0 to 10 mph NNW 6%
Sunday Night 32°F Mostly Clear 0 mph 4%
Monday 65°F Sunny 0 to 5 mph NW 0%
Monday Night 33°F Mostly Clear 0 mph 0%
Tuesday 69°F Sunny 0 to 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Savannah (35.221, -88.235). Updated through the day.

Growing snapshot for Savannah

Last spring frost
Mar 31
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
7b

More local growing data for Savannah: nearby ZIP 38327 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Savannah 6 Sw, Tn (5.1 mi from Savannah). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.