McKinney, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKinney, a community in Lincoln County, Kentucky.
Tonight
60°F
Showers And Thunderstorms
A chance of rain showers between 10pm and 4am, then showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for McKinney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Showers And Thunderstorms | 8 to 13 mph S | 86% |
| Wednesday | 70°F | Showers And Thunderstorms | 9 to 15 mph S | 99% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 8 mph SW | 31% |
| Thursday | 69°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 2 mph NW | 0% |
| Friday | 66°F | Mostly Sunny | 0 to 7 mph NW | 4% |
| Friday Night | 38°F | Mostly Cloudy | 5 mph NW | 9% |
| Saturday | 57°F | Mostly Sunny | 5 mph N | 3% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph N | 2% |
| Sunday | 58°F | Mostly Sunny | 0 to 6 mph W | 7% |
| Sunday Night | 30°F | Mostly Clear | 1 to 5 mph W | 12% |
| Monday | 61°F | Sunny | 1 to 7 mph W | 12% |
| Monday Night | 32°F | Mostly Clear | 5 mph W | 8% |
| Tuesday | 65°F | Sunny | 3 to 7 mph SW | 1% |
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 Nov 4, 2026.