Benton, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a town in Polk County, Tennessee.
Today
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. East wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Chance Showers And Thunderstorms | 0 mph | 59% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 45% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 57% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 57% |
| Friday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 mph | 59% |
| Saturday Night | 70°F | Showers And Thunderstorms Likely | 0 mph | 59% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Monday | 90°F | Chance Showers And Thunderstorms | 0 mph | 40% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
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 Aug 4, 2026.