Clay, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clay, a city in Webster County, Kentucky.
This Afternoon
99°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 106. West northwest wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Clay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Slight Chance Showers And Thunderstorms | 6 mph WNW | 16% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph ESE | 18% |
| Saturday | 96°F | Sunny | 1 to 6 mph SW | 7% |
| Saturday Night | 72°F | Partly Cloudy | 3 mph SSW | 4% |
| Sunday | 96°F | Sunny | 3 to 7 mph WSW | 1% |
| Sunday Night | 69°F | Partly Cloudy | 5 mph N | 6% |
| Monday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph NNE | 31% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 44% |
| Tuesday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph N | 36% |
| Tuesday Night | 58°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Wednesday | 76°F | Mostly Sunny | 5 to 8 mph N | 10% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 7 mph N | 5% |
| Thursday | 77°F | Mostly Sunny | 3 to 8 mph N | 3% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 7 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Clay (37.476, -87.820). Updated through the day.
Growing snapshot for Clay
Last spring frost
Apr 7
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
7a
More local growing data for Clay: nearby ZIP 42404 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Providence, Ky (7 mi from Clay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.