McKinney, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKinney, a community in Lincoln County, Kentucky.
Overnight
60°F
Showers And Thunderstorms Likely
A chance of rain showers before 4am, then showers and thunderstorms likely. Cloudy, with a low around 60. South wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for McKinney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Showers And Thunderstorms Likely | 13 mph S | 56% |
| Wednesday | 70°F | Showers And Thunderstorms | 9 to 15 mph S | 99% |
| Wednesday Night | 49°F | Showers And Thunderstorms Likely then Mostly Cloudy | 2 to 8 mph SW | 72% |
| Thursday | 68°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 42°F | Partly Cloudy | 2 mph W | 0% |
| Friday | 65°F | Mostly Sunny | 0 to 7 mph NW | 0% |
| Friday Night | 36°F | Mostly Cloudy | 2 to 6 mph NW | 2% |
| Saturday | 55°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 30°F | Mostly Clear | 0 to 3 mph W | 3% |
| Monday | 61°F | Sunny | 0 to 3 mph SW | 3% |
| Monday Night | 32°F | Clear | 2 mph SW | 1% |
| Tuesday | 65°F | Sunny | 2 to 6 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.