Harman US

Williamson, KY Weather & Growing Conditions

Today
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 3pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 82 in the afternoon. East northeast wind 1 to 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Today 85°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 5 mph ENE 23%
Tonight 69°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 mph ESE 16%
Wednesday 84°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SSW 51%
Wednesday Night 69°F Chance Showers And Thunderstorms 2 mph S 52%
Thursday 83°F Chance Showers And Thunderstorms 1 to 6 mph SSW 59%
Thursday Night 70°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 3 mph S 59%
Friday 84°F Chance Showers And Thunderstorms 5 mph SSW 48%
Friday Night 69°F Chance Showers And Thunderstorms 3 mph SSW 48%
Saturday 85°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 mph SW 49%
Saturday Night 69°F Chance Showers And Thunderstorms 3 mph SSW 49%
Sunday 86°F Chance Showers And Thunderstorms 3 mph SW 26%
Sunday Night 70°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 mph SSW 24%
Monday 87°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 mph SW 24%
Monday Night 71°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 3 mph SSW 28%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Williamson, KY

Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
206 days
Hardiness zone
7a

Explore more for Williamson, KY: full frost dates · planting calendar · Kentucky frost dates

Climate data from the nearest NOAA station, Williamson, Wv (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.