Benton, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a city in Marshall County, Kentucky.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Northeast wind 2 to 6 mph.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 to 6 mph NE | 0% |
| Tonight | 67°F | Clear | 1 to 5 mph ENE | 0% |
| Wednesday | 88°F | Patchy Fog then Sunny | 3 mph SSW | 0% |
| Wednesday Night | 69°F | Mostly Clear | 2 mph SSE | 1% |
| Thursday | 90°F | Mostly Sunny | 5 mph SSW | 6% |
| Thursday Night | 72°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph S | 18% |
| Friday | 89°F | Chance Showers And Thunderstorms | 6 mph SW | 31% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 2 mph SSW | 33% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 36% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 17% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph SSW | 17% |
| Monday | 91°F | Sunny | 6 mph SSW | 8% |
| Monday Night | 73°F | Partly Cloudy | 3 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Benton (36.848, -88.362). Updated through the day.
Growing snapshot for Benton
Last spring frost
Apr 9
First fall frost
Oct 19
Growing season
192 days
Hardiness zone
7a
More local growing data for Benton: nearby ZIP 42025 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Benton, Ky (0.1 mi from Benton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.