South Williamson, KY Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms then Areas Of Fog
A chance of showers and thunderstorms before 9pm, then areas of fog. Mostly cloudy, with a low around 69. Northeast wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms then Areas Of Fog | 1 mph NE | 32% |
| Saturday | 87°F | Areas Of Fog then Mostly Sunny | 1 mph N | 6% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 mph E | 27% |
| Sunday | 88°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 29% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SE | 40% |
| Monday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph NE | 35% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph E | 58% |
| Tuesday | 79°F | Showers And Thunderstorms Likely | 3 mph S | 74% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 3 to 7 mph E | 74% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 7 mph SE | 64% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 5 to 8 mph E | 64% |
| Thursday | 71°F | Chance Rain Showers | 5 mph N | 26% |
| Thursday Night | 59°F | Chance Rain Showers | 1 to 5 mph N | 26% |
| Friday | 72°F | Partly Sunny | 1 to 5 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Williamson, KY
Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
206 days
Hardiness zone
7a
Explore more for South Williamson, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Williamson, Wv (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.