McKinney, KY Weather & Growing Conditions
Overnight
68°F
Mostly Clear
Mostly clear, with a low around 68. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Clear | 1 mph E | 10% |
| Saturday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 19% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 30% |
| Sunday | 91°F | Mostly Sunny | 7 mph SW | 9% |
| Sunday Night | 68°F | Partly Cloudy | 5 mph S | 6% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 44% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 mph NE | 50% |
| Tuesday | 80°F | Showers And Thunderstorms Likely | 6 mph NE | 61% |
| Tuesday Night | 61°F | Showers And Thunderstorms Likely | 2 to 6 mph N | 61% |
| Wednesday | 76°F | Chance Rain Showers | 6 mph N | 44% |
| Wednesday Night | 58°F | Chance Rain Showers | 1 to 6 mph N | 42% |
| Thursday | 74°F | Mostly Sunny | 2 to 6 mph N | 14% |
| Thursday Night | 57°F | Partly Cloudy | 5 mph N | 12% |
| Friday | 74°F | Mostly Sunny | 2 to 7 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McKinney, KY
Last spring frost
Apr 9
First fall frost
Oct 27
Growing season
199 days
Hardiness zone
7a
Explore more for McKinney, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Danville, Ky (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.