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Lyndon, KY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lyndon, a city in Jefferson County, Kentucky.

Overnight
64°F
Clear
Clear, with a low around 64. East wind around 6 mph.

7-day forecast for Lyndon

WhenTempForecastWindPrecip
Overnight 64°F Clear 6 mph E 0%
Tuesday 87°F Sunny 6 mph NE 0%
Tuesday Night 68°F Mostly Clear 6 mph N 0%
Wednesday 90°F Sunny 3 mph N 10%
Wednesday Night 70°F Mostly Clear 3 mph S 10%
Thursday 90°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 45%
Friday 88°F Chance Showers And Thunderstorms 5 to 9 mph SW 54%
Friday Night 70°F Chance Showers And Thunderstorms 3 to 8 mph SW 54%
Saturday 88°F Chance Showers And Thunderstorms 5 to 8 mph SW 34%
Saturday Night 71°F Chance Showers And Thunderstorms then Mostly Cloudy 6 mph SW 31%
Sunday 90°F Mostly Sunny 5 to 8 mph SW 14%
Sunday Night 72°F Partly Cloudy 7 mph SW 14%
Monday 92°F Mostly Sunny 6 to 10 mph SW 11%

Forecast source: National Weather Service (api.weather.gov) for Lyndon (38.263, -85.588). Updated through the day.

Growing snapshot for Lyndon

Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
214 days
Hardiness zone
7a

More local growing data for Lyndon: nearby ZIP 40242 weather · frost dates · planting calendar · Kentucky frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Louisville Bowman Fld, Ky (5.3 mi from Lyndon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.