Benton, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a city in Marshall County, Kentucky.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. South southeast wind around 1 mph.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 1 mph SSE | 10% |
| Saturday | 98°F | Sunny | 1 to 5 mph WSW | 3% |
| Saturday Night | 73°F | Mostly Clear | 3 mph SSW | 1% |
| Sunday | 97°F | Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 72°F | Partly Cloudy | 3 mph NNE | 2% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph N | 27% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 6 mph NNE | 38% |
| Tuesday | 81°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph N | 29% |
| Tuesday Night | 61°F | Partly Cloudy | 5 to 9 mph N | 9% |
| Wednesday | 78°F | Mostly Sunny | 7 mph N | 8% |
| Wednesday Night | 59°F | Partly Cloudy | 6 mph NNE | 6% |
| Thursday | 77°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
| Thursday Night | 60°F | Partly Cloudy | 2 to 6 mph NNE | 5% |
| Friday | 78°F | Mostly Sunny | 5 to 8 mph NNE | 6% |
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 Sep 19, 2026.