Fincastle, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fincastle, a city in Jefferson County, Kentucky.
Today
92°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 101. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fincastle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph S | 31% |
| Tonight | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SE | 32% |
| Sunday | 93°F | Mostly Sunny | 9 mph SW | 2% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 9 mph N | 15% |
| Monday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 9 mph NE | 47% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 47% |
| Tuesday | 75°F | Chance Rain Showers | 9 mph NE | 30% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 6 to 12 mph N | 38% |
| Wednesday | 74°F | Chance Rain Showers | 8 mph N | 38% |
| Wednesday Night | 58°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 20% |
| Thursday | 74°F | Mostly Sunny | 6 to 9 mph N | 9% |
| Thursday Night | 57°F | Partly Cloudy | 6 to 9 mph N | 9% |
| Friday | 74°F | Mostly Sunny | 6 to 10 mph NE | 5% |
| Friday Night | 55°F | Partly Cloudy | 9 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Fincastle (38.308, -85.541). Updated through the day.
Growing snapshot for Fincastle
Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
214 days
Hardiness zone
7a
More local growing data for Fincastle: nearby ZIP 40241 weather · frost dates · planting calendar · Kentucky frost dates
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Climate data from the nearest NOAA station, Louisville Bowman Fld, Ky (6.9 mi from Fincastle). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.