Clay City, IL Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. East northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 mph ENE | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph ESE | 0% |
| Wednesday | 86°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 3 mph SSE | 14% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 43% |
| Thursday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph SSE | 59% |
| Friday | 84°F | Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 2 mph SSW | 33% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 5 mph SSW | 33% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 20% |
| Sunday | 88°F | Sunny | 5 to 8 mph SSW | 9% |
| Sunday Night | 72°F | Mostly Clear | 7 mph SSW | 9% |
| Monday | 89°F | Sunny | 6 to 9 mph SW | 9% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clay City, IL
Last spring frost
Apr 9
First fall frost
Oct 24
Growing season
198 days
Hardiness zone
6b
Explore more for Clay City, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Flora, Il (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.