Grayson, KY Weather & Growing Conditions
This Afternoon
90°F
Mostly Sunny
Mostly sunny, with a high near 90. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Mostly Sunny | 1 mph S | 14% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 46% |
| Sunday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 mph SW | 17% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SE | 44% |
| Monday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph NE | 46% |
| Monday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 6 mph NE | 60% |
| Tuesday | 78°F | Rain Showers Likely | 3 mph NE | 63% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 5 mph NE | 70% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 5 mph E | 70% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 5 mph E | 68% |
| Thursday | 73°F | Chance Rain Showers | 5 mph N | 39% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 20% |
| Friday | 72°F | Partly Sunny | 1 to 5 mph NE | 13% |
| Friday Night | 51°F | Partly Cloudy | 1 to 5 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grayson, KY
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
172 days
Hardiness zone
6b
Explore more for Grayson, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Grayson 2 E, Ky (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.