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Grayson, KY Weather & Growing Conditions

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

This Afternoon
79°F
Sunny
Sunny, with a high near 79. Southeast wind around 5 mph.

7-day forecast for Grayson

WhenTempForecastWindPrecip
This Afternoon 79°F Sunny 5 mph SE 1%
Tonight 59°F Partly Cloudy 2 to 6 mph SE 13%
Wednesday 70°F Rain 6 to 9 mph S 95%
Wednesday Night 56°F Rain 2 to 9 mph SW 96%
Thursday 72°F Mostly Sunny 2 to 7 mph SW 1%
Thursday Night 44°F Partly Cloudy 2 mph W 1%
Friday 68°F Partly Sunny 0 to 6 mph NW 5%
Friday Night 41°F Partly Cloudy 1 to 5 mph NW 12%
Saturday 60°F Mostly Sunny 5 mph NW 12%
Saturday Night 33°F Partly Cloudy then Patchy Frost 0 to 3 mph NW 5%
Sunday 60°F Areas Of Frost then Partly Sunny 0 to 5 mph W 6%
Sunday Night 32°F Partly Cloudy then Slight Chance Light Rain 5 mph W 15%
Monday 62°F Widespread Frost then Mostly Sunny 2 to 7 mph W 15%
Monday Night 33°F Mostly Clear then Patchy Frost 5 mph W 13%

Forecast source: National Weather Service (api.weather.gov) for Grayson (38.334, -82.936). Updated through the day.

Growing snapshot for Grayson

Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6b

More local growing data for Grayson: nearby ZIP 41143 weather · frost dates · planting calendar · Kentucky frost dates

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