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Fairfield, KY Weather & Growing Conditions

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

This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind around 12 mph.

7-day forecast for Fairfield

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 12 mph S 2%
Tonight 62°F Mostly Cloudy then Showers And Thunderstorms 9 to 15 mph S 96%
Wednesday 69°F Showers And Thunderstorms 8 to 16 mph S 99%
Wednesday Night 49°F Mostly Cloudy 3 to 7 mph SW 6%
Thursday 68°F Mostly Sunny 3 to 9 mph SW 0%
Thursday Night 43°F Partly Cloudy 3 mph W 0%
Friday 64°F Mostly Sunny 1 to 8 mph W 7%
Friday Night 40°F Mostly Cloudy 6 mph N 9%
Saturday 57°F Mostly Sunny 6 mph N 3%
Saturday Night 34°F Partly Cloudy 0 to 3 mph NW 1%
Sunday 59°F Mostly Sunny 0 to 6 mph W 7%
Sunday Night 32°F Mostly Clear then Slight Chance Rain Showers 5 mph W 15%
Monday 62°F Slight Chance Rain Showers then Sunny 3 to 8 mph W 15%
Monday Night 35°F Mostly Clear 6 mph SW 5%

Forecast source: National Weather Service (api.weather.gov) for Fairfield (37.931, -85.386). Updated through the day.

Growing snapshot for Fairfield

Last spring frost
Apr 23
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
6b

More local growing data for Fairfield: nearby ZIP 40020 weather · frost dates · planting calendar · Kentucky frost dates

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Climate data from the nearest NOAA station, Taylorsville Lake, Ky (6.3 mi from Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.