Millstadt, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Millstadt, a village in St. Clair County, Illinois.

Overnight

54°F

Slight Chance Light Rain

A slight chance of rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 54. Southwest wind around 9 mph. Chance of precipitation is 20%.

7-day forecast for Millstadt

When	Temp	Forecast	Wind	Precip
Overnight	54°F	Slight Chance Light Rain	9 mph SW	17%
Wednesday	63°F	Mostly Cloudy	7 to 14 mph W	6%
Wednesday Night	45°F	Mostly Clear	6 mph W	0%
Thursday	65°F	Sunny	6 to 10 mph W	0%
Thursday Night	47°F	Mostly Cloudy	6 mph NW	2%
Friday	57°F	Partly Sunny	7 to 10 mph N	1%
Friday Night	37°F	Partly Cloudy	3 to 7 mph N	0%
Saturday	54°F	Mostly Sunny	5 mph N	0%
Saturday Night	35°F	Partly Cloudy	2 mph NW	0%
Sunday	60°F	Sunny	2 to 6 mph NW	1%
Sunday Night	37°F	Clear	2 mph W	0%
Monday	65°F	Sunny	3 mph SW	0%
Monday Night	42°F	Clear	3 mph SW	0%
Tuesday	68°F	Sunny	5 mph W	1%

Forecast source: National Weather Service (api.weather.gov) for Millstadt (38.457, -90.086). Updated through the day.

Growing snapshot for Millstadt

Last spring frost

Apr 8

First fall frost

Oct 26

Growing season

200 days

Hardiness zone

More local growing data for Millstadt: nearby ZIP 62260 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

Belleville Brooklyn Cahokia Heights Caseyville Darmstadt Dupo East St. Louis Fairmont City Fairview Heights Fayetteville Floraville Freeburg Lebanon Lenzburg Marissa Mascoutah New Athens O'Fallon Paderborn Rentchler Sauget Scott AFB Shiloh Smithton St. Libory Summerfield Swansea Washington Park

All Illinois locations ›

Climate data from the nearest NOAA station, Cahokia St Louis Ap, Il (8.3 mi from Millstadt). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.