Grayson, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grayson, a city in Carter County, Kentucky.
Today
90°F
Mostly Sunny
Mostly sunny, with a high near 90. Southeast wind around 1 mph.
7-day forecast for Grayson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny | 1 mph SE | 8% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 2 mph SE | 45% |
| Sunday | 90°F | Slight Chance Rain Showers then Partly Sunny | 2 to 6 mph SW | 15% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 3 mph NW | 40% |
| Monday | 80°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 43% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 53% |
| Tuesday | 75°F | Showers And Thunderstorms Likely | 5 mph NE | 56% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 5 mph NE | 69% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 5 mph E | 69% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 5 mph E | 68% |
| Thursday | 73°F | Chance Rain Showers | 5 mph N | 38% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 20% |
| Friday | 72°F | Partly Sunny | 1 to 6 mph NE | 13% |
| Friday Night | 51°F | Partly Cloudy | 1 to 5 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Grayson (38.334, -82.936). Updated through the day.
Growing snapshot for Grayson
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6b
More local growing data for Grayson: nearby ZIP 41143 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grayson 3 Sw, Ky (3 mi from Grayson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.