Mount Washington, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Washington, a city in Bullitt County, Kentucky.
Tonight
63°F
Mostly Cloudy then Showers And Thunderstorms
A slight chance of rain showers between midnight and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Mount Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy then Showers And Thunderstorms | 5 to 15 mph S | 97% |
| Wednesday | 69°F | Showers And Thunderstorms | 9 to 17 mph S | 95% |
| Wednesday Night | 49°F | Partly Cloudy | 3 to 8 mph SW | 2% |
| Thursday | 67°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 5 mph W | 0% |
| Friday | 63°F | Partly Sunny | 1 to 8 mph W | 9% |
| Friday Night | 41°F | Mostly Cloudy | 7 mph N | 9% |
| Saturday | 57°F | Mostly Sunny | 6 mph N | 3% |
| Saturday Night | 36°F | Partly Cloudy | 1 to 5 mph NW | 1% |
| Sunday | 59°F | Mostly Sunny | 1 to 8 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear then Slight Chance Rain Showers | 3 to 7 mph W | 15% |
| Monday | 61°F | Slight Chance Rain Showers then Sunny | 3 to 8 mph W | 15% |
| Monday Night | 36°F | Mostly Clear | 7 mph SW | 5% |
| Tuesday | 65°F | Sunny | 5 to 8 mph SW | 2% |
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 Nov 4, 2026.