Creve Coeur, IL Weather & Growing Conditions
Tonight
54°F
Light Rain
Rain before 4am, then a slight chance of rain showers. Mostly cloudy, with a low around 54. South southwest wind 12 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Light Rain | 12 to 15 mph SSW | 79% |
| Wednesday | 59°F | Slight Chance Rain Showers then Mostly Cloudy | 13 to 16 mph SW | 19% |
| Wednesday Night | 46°F | Mostly Cloudy | 13 mph SW | 4% |
| Thursday | 58°F | Partly Sunny | 8 to 13 mph WSW | 10% |
| Thursday Night | 44°F | Chance Light Rain | 3 to 7 mph NW | 29% |
| Friday | 54°F | Partly Sunny then Slight Chance Light Rain | 10 mph N | 16% |
| Friday Night | 37°F | Partly Cloudy | 1 to 7 mph NNW | 3% |
| Saturday | 53°F | Mostly Sunny | 3 mph WNW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph W | 3% |
| Sunday | 59°F | Sunny | 2 to 8 mph WNW | 13% |
| Sunday Night | 37°F | Mostly Clear | 2 to 6 mph W | 4% |
| Monday | 63°F | Sunny | 2 to 10 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 3 to 7 mph WSW | 1% |
| Tuesday | 65°F | Sunny | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Creve Coeur, IL
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
Explore more for Creve Coeur, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.