Harman US

Williamson, KY Weather & Growing Conditions

This Afternoon
73°F
Light Rain
Rain likely before 1pm, then rain and a chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 73°F Light Rain 9 mph S 79%
Tonight 60°F Rain 3 to 9 mph SSW 97%
Thursday 70°F Partly Sunny 2 to 7 mph WSW 7%
Thursday Night 49°F Partly Cloudy 3 mph WSW 5%
Friday 67°F Mostly Sunny 1 to 5 mph W 5%
Friday Night 45°F Mostly Cloudy 3 mph NW 7%
Saturday 55°F Partly Sunny 6 mph NW 7%
Saturday Night 38°F Partly Cloudy 0 to 3 mph NW 3%
Sunday 58°F Mostly Sunny 1 to 5 mph W 3%
Sunday Night 36°F Mostly Clear 3 mph W 3%
Monday 60°F Patchy Frost then Sunny 1 to 5 mph WSW 3%
Monday Night 37°F Mostly Clear 2 mph SW 3%
Tuesday 65°F Sunny 2 to 6 mph SW 1%
Tuesday Night 39°F Mostly Clear 3 mph WSW 2%

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 Nov 4, 2026.