Spring Mill, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Mill, a city in Jefferson County, Kentucky.
Overnight
64°F
Clear
Clear, with a low around 64. Northeast wind around 5 mph.
7-day forecast for Spring Mill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Clear | 5 mph NE | 0% |
| Tuesday | 87°F | Sunny | 6 mph NE | 0% |
| Tuesday Night | 68°F | Mostly Clear | 2 to 6 mph N | 0% |
| Wednesday | 90°F | Sunny | 3 mph NW | 10% |
| Wednesday Night | 71°F | Mostly Clear | 3 mph S | 10% |
| Thursday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 16% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 mph S | 44% |
| Friday | 89°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 50% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 3 to 8 mph S | 50% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 37% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph SW | 33% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 16% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 16% |
| Monday | 92°F | Mostly Sunny | 6 to 9 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov) for Spring Mill (38.144, -85.632). Updated through the day.
Growing snapshot for Spring Mill
Last spring frost
Apr 6
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7a
More local growing data for Spring Mill: nearby ZIP 40228 weather · frost dates · planting calendar · Kentucky frost dates
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Climate data from the nearest NOAA station, Louisville Wfo, Ky (1.8 mi from Spring Mill). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.