South Williamson, KY Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 3 mph SE | 1% |
| Tonight | 62°F | Partly Cloudy | 8 mph SE | 3% |
| Wednesday | 71°F | Light Rain | 9 mph SE | 85% |
| Wednesday Night | 61°F | Light Rain | 1 to 10 mph S | 92% |
| Thursday | 72°F | Slight Chance Light Rain | 1 to 5 mph W | 20% |
| Thursday Night | 53°F | Slight Chance Light Rain | 1 mph NW | 21% |
| Friday | 68°F | Slight Chance Light Rain then Mostly Sunny | 0 to 5 mph NW | 16% |
| Friday Night | 48°F | Partly Cloudy | 0 to 3 mph NW | 8% |
| Saturday | 58°F | Partly Sunny | 1 to 5 mph NW | 10% |
| Saturday Night | 41°F | Partly Cloudy | 2 mph N | 10% |
| Sunday | 59°F | Partly Sunny | 0 to 5 mph NW | 7% |
| Sunday Night | 40°F | Partly Cloudy | 3 mph W | 14% |
| Monday | 60°F | Slight Chance Light Rain | 2 to 7 mph SW | 16% |
| Monday Night | 40°F | Mostly Clear | 3 mph SW | 11% |
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 Nov 4, 2026.