Millstadt, IL Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 3 mph SE | 0% |
| Tonight | 67°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 89°F | Sunny | 2 to 6 mph S | 6% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 mph S | 58% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 6 mph S | 68% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 44% |
| Friday | 86°F | Chance Showers And Thunderstorms | 3 mph SW | 44% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SW | 34% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 5 mph S | 34% |
| Saturday Night | 71°F | Mostly Clear | 6 mph S | 8% |
| Sunday | 91°F | Sunny | 5 to 8 mph S | 7% |
| Sunday Night | 73°F | Mostly Clear | 8 mph S | 5% |
| Monday | 92°F | Sunny | 8 mph SW | 5% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Millstadt, IL
Last spring frost
Apr 8
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
7a
Explore more for Millstadt, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Cahokia St Louis Ap, Il (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.