Dexter, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a community in Marshall County, Kentucky.
This Afternoon
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 96 in the afternoon. Southwest wind around 3 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 3 mph SW | 2% |
| Tonight | 72°F | Mostly Clear | 2 mph SSE | 9% |
| Saturday | 98°F | Sunny | 1 to 6 mph SW | 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 6 mph NNW | 26% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 6 mph NNE | 38% |
| Tuesday | 82°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 27% |
| Tuesday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 11% |
| Wednesday | 78°F | Mostly Sunny | 7 mph N | 9% |
| Wednesday Night | 59°F | Partly Cloudy | 6 mph NNE | 7% |
| Thursday | 78°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
| Thursday Night | 60°F | Partly Cloudy | 2 to 6 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Dexter (36.739, -88.296). Updated through the day.
Growing snapshot for Dexter
Last spring frost
Apr 9
First fall frost
Oct 19
Growing season
192 days
Hardiness zone
7b
More local growing data for Dexter: nearby ZIP 42048 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Benton, Ky (7.6 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.