Grayson, KY Weather & Growing Conditions
This Afternoon
90°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southeast wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Slight Chance Showers And Thunderstorms | 1 mph SE | 18% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 47% |
| 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 E | 46% |
| Monday | 81°F | Chance Showers And Thunderstorms | 5 mph NE | 44% |
| Monday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 58% |
| Tuesday | 78°F | Rain Showers Likely | 5 mph NE | 61% |
| 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 | 37% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 20% |
| Friday | 72°F | Partly Sunny | 5 mph NE | 13% |
| Friday Night | 51°F | Partly Cloudy | 5 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grayson, KY
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 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 3 Sw, Ky (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.