Mount Washington, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Washington, a city in Bullitt County, Kentucky.
This Afternoon
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mount Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Chance Showers And Thunderstorms | 7 mph NW | 25% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph NE | 25% |
| Saturday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 20% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Mostly Clear | 6 mph S | 27% |
| Sunday | 92°F | Mostly Sunny | 6 to 9 mph SW | 7% |
| Sunday Night | 69°F | Partly Cloudy | 7 mph N | 11% |
| Monday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph NE | 45% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 47% |
| Tuesday | 77°F | Chance Rain Showers then Chance Showers And Thunderstorms | 9 mph NE | 42% |
| Tuesday Night | 61°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 42% |
| Wednesday | 73°F | Chance Rain Showers | 8 mph N | 31% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 to 9 mph N | 14% |
| Thursday | 73°F | Mostly Sunny | 5 to 8 mph N | 7% |
| Thursday Night | 58°F | Partly Cloudy | 5 to 8 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov) for Mount Washington (38.043, -85.556). Updated through the day.
Growing snapshot for Mount Washington
Last spring frost
Apr 6
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7a
More local growing data for Mount Washington: nearby ZIP 40047 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Louisville Wfo, Ky (7.3 mi from Mount Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.