Clarkson, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarkson, a city in Grayson County, Kentucky.
This Afternoon
94°F
Sunny
Sunny, with a high near 94. West wind around 3 mph.
7-day forecast for Clarkson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Sunny | 3 mph W | 14% |
| Tonight | 71°F | Mostly Clear | 2 mph S | 10% |
| Sunday | 94°F | Sunny | 2 to 6 mph SW | 4% |
| Sunday Night | 68°F | Partly Cloudy | 2 mph SE | 9% |
| Monday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph NE | 31% |
| Monday Night | 63°F | Scattered Showers And Thunderstorms | 5 mph NE | 43% |
| Tuesday | 82°F | Scattered Rain Showers then Scattered Showers And Thunderstorms | 6 mph N | 42% |
| Tuesday Night | 60°F | Scattered Showers And Thunderstorms | 2 to 6 mph N | 42% |
| Wednesday | 78°F | Slight Chance Rain Showers | 5 mph N | 23% |
| Wednesday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 5 mph N | 20% |
| Thursday | 77°F | Mostly Sunny | 1 to 5 mph N | 7% |
| Thursday Night | 56°F | Partly Cloudy | 3 mph N | 7% |
| Friday | 78°F | Mostly Sunny | 2 to 6 mph N | 6% |
| Friday Night | 54°F | Partly Cloudy | 5 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Clarkson (37.493, -86.227). Updated through the day.
Growing snapshot for Clarkson
Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
172 days
Hardiness zone
7a
More local growing data for Clarkson: nearby ZIP 42754 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leitchfield 2 N, Ky (2.7 mi from Clarkson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.