Milan, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milan, a city in Sullivan County, Missouri.
Tonight
47°F
Patchy Drizzle
Patchy drizzle after 11pm. Cloudy, with a low around 47. West wind 9 to 13 mph, with gusts as high as 21 mph.
7-day forecast for Milan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Patchy Drizzle | 9 to 13 mph W | 12% |
| Wednesday | 53°F | Patchy Drizzle then Mostly Cloudy | 12 to 16 mph W | 11% |
| Wednesday Night | 42°F | Mostly Cloudy | 9 mph WSW | 2% |
| Thursday | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph WNW | 16% |
| Thursday Night | 42°F | Mostly Cloudy | 7 mph NNW | 11% |
| Friday | 50°F | Partly Sunny | 5 to 9 mph N | 5% |
| Friday Night | 31°F | Partly Cloudy | 0 to 3 mph NNE | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 59°F | Sunny | 1 to 6 mph W | 1% |
| Sunday Night | 36°F | Mostly Clear | 1 mph SW | 0% |
| Monday | 63°F | Sunny | 1 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Milan (40.203, -93.124). Updated through the day.
Growing snapshot for Milan
Last spring frost
Apr 26
First fall frost
Oct 14
Growing season
169 days
Hardiness zone
6a
More local growing data for Milan: nearby ZIP 63556 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Green City 5N, Mo (14.8 mi from Milan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.