Clay City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clay City, a village in Clay County, Illinois.
Overnight
60°F
Rain
Rain. Cloudy, with a low around 60. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Clay City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Rain | 10 to 14 mph S | 76% |
| Wednesday | 65°F | Patchy Drizzle | 8 to 13 mph WSW | 18% |
| Wednesday Night | 45°F | Patchy Drizzle then Partly Cloudy | 7 mph WSW | 10% |
| Thursday | 65°F | Sunny | 7 to 12 mph WSW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph WNW | 0% |
| Friday | 58°F | Partly Sunny | 3 to 10 mph NNW | 1% |
| Friday Night | 35°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Saturday | 55°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NNW | 0% |
| Sunday | 60°F | Sunny | 0 to 7 mph WNW | 2% |
| Sunday Night | 33°F | Clear | 2 mph NW | 1% |
| Monday | 63°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 38°F | Clear | 2 mph SW | 0% |
| Tuesday | 67°F | Sunny | 1 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Clay City (38.686, -88.349). Updated through the day.
Growing snapshot for Clay City
Last spring frost
Apr 9
First fall frost
Oct 24
Growing season
198 days
Hardiness zone
6b
More local growing data for Clay City: nearby ZIP 62824 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flora, Il (7.5 mi from Clay City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.