Mount Vernon, KY Weather & Growing Conditions
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 89 in the afternoon. West southwest wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 2 mph WSW | 28% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSE | 36% |
| Sunday | 91°F | Mostly Sunny | 2 to 6 mph SW | 5% |
| Sunday Night | 68°F | Partly Cloudy | 3 mph SW | 12% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph WSW | 46% |
| Monday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph NNE | 61% |
| Tuesday | 80°F | Showers And Thunderstorms Likely | 3 mph NE | 67% |
| Tuesday Night | 61°F | Showers And Thunderstorms Likely | 3 mph NE | 64% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 3 mph SSW | 71% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 3 mph N | 71% |
| Thursday | 74°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph NNW | 30% |
| Thursday Night | 55°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph NNE | 18% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Friday Night | 53°F | Partly Cloudy | 5 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Vernon, KY
Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
189 days
Hardiness zone
7a
Explore more for Mount Vernon, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Mt Vernon, Ky (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.