Harman US

Benton, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Benton, a town in Polk County, Tennessee.

Overnight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Wind around 0 mph.

7-day forecast for Benton

WhenTempForecastWindPrecip
Overnight 71°F Partly Cloudy 0 mph 4%
Saturday 96°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph N 18%
Saturday Night 70°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 20%
Sunday 94°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SW 22%
Sunday Night 68°F Chance Showers And Thunderstorms 0 mph 35%
Monday 94°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 39%
Monday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 mph 66%
Tuesday 88°F Showers And Thunderstorms 0 mph 85%
Tuesday Night 65°F Showers And Thunderstorms 0 mph 85%
Wednesday 82°F Showers And Thunderstorms Likely 0 mph 70%
Wednesday Night 63°F Showers And Thunderstorms Likely 0 mph 70%
Thursday 81°F Slight Chance Rain Showers 0 to 5 mph N 22%
Thursday Night 60°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph N 22%
Friday 80°F Mostly Sunny then Slight Chance Rain Showers 0 to 5 mph N 17%

Forecast source: National Weather Service (api.weather.gov) for Benton (35.175, -84.652). Updated through the day.

Growing snapshot for Benton

Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7b

More local growing data for Benton: nearby ZIP 37307 weather · frost dates · planting calendar · Tennessee frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Cleveland Fltr Plt, Tn (10.1 mi from Benton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.