Benton, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a town in Polk County, Tennessee.
Tonight
64°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph SE | 24% |
| Wednesday | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 15 mph S | 88% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 62% |
| Thursday | 75°F | Slight Chance Rain Showers | 0 to 5 mph W | 20% |
| Thursday Night | 51°F | Mostly Cloudy | 0 mph | 12% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Friday Night | 43°F | Mostly Clear | 0 mph | 1% |
| Saturday | 65°F | Mostly Sunny | 0 to 10 mph N | 1% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 65°F | Partly Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 6% |
| Monday | 64°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Monday Night | 34°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 68°F | Sunny | 0 to 5 mph NW | 0% |
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
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 Nov 4, 2026.