Creve Coeur, IL Weather & Growing Conditions
This Afternoon
83°F
Mostly Cloudy
Mostly cloudy, with a high near 83. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Cloudy | 8 mph S | 13% |
| Tonight | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph SSE | 31% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 47% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 14 mph NE | 47% |
| Monday | 66°F | Rain Showers Likely | 10 to 14 mph ENE | 69% |
| Monday Night | 55°F | Chance Rain Showers | 14 mph ENE | 54% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 49% |
| Tuesday Night | 53°F | Mostly Cloudy | 6 to 12 mph NNE | 11% |
| Wednesday | 67°F | Partly Sunny | 9 mph NNE | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 3 to 8 mph NNE | 2% |
| Thursday | 70°F | Partly Sunny | 6 mph NNE | 2% |
| Thursday Night | 57°F | Mostly Cloudy | 5 mph NE | 4% |
| Friday | 73°F | Partly Sunny | 6 mph NE | 4% |
| Friday Night | 56°F | Partly Cloudy | 5 mph NE | 3% |
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 Sep 19, 2026.