McKinney, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKinney, a community in Lincoln County, Kentucky.
This Afternoon
92°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Northwest wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for McKinney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Slight Chance Showers And Thunderstorms | 5 mph NW | 21% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph NE | 25% |
| Saturday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 21% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 29% |
| Sunday | 91°F | Mostly Sunny | 3 to 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 | 43% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NE | 51% |
| 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 | 2 to 6 mph N | 44% |
| Wednesday Night | 58°F | Chance Rain Showers | 1 to 5 mph N | 42% |
| Thursday | 74°F | Mostly Sunny | 2 to 6 mph N | 14% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 6 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for McKinney (37.453, -84.759). Updated through the day.
Growing snapshot for McKinney
Last spring frost
Apr 9
First fall frost
Oct 27
Growing season
199 days
Hardiness zone
7a
More local growing data for McKinney: nearby ZIP 40448 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Danville, Ky (13.5 mi from McKinney). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.