Milan, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milan, a city in Sullivan County, Missouri.
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. South southeast wind around 6 mph.
7-day forecast for Milan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 6 mph SSE | 0% |
| Tuesday | 89°F | Mostly Sunny | 7 mph S | 12% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 6 mph ENE | 43% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 9 mph ENE | 70% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 3 to 9 mph NNE | 71% |
| Thursday | 82°F | Showers And Thunderstorms Likely then Mostly Sunny | 5 mph ENE | 71% |
| Thursday Night | 64°F | Mostly Clear | 3 mph ESE | 4% |
| Friday | 85°F | Mostly Sunny | 1 to 7 mph SSE | 8% |
| Friday Night | 67°F | Mostly Clear | 2 to 6 mph S | 13% |
| Saturday | 88°F | Sunny | 3 to 13 mph SSW | 10% |
| Saturday Night | 72°F | Mostly Clear | 9 to 13 mph S | 7% |
| Sunday | 90°F | Sunny | 10 to 17 mph SSW | 7% |
| Sunday Night | 72°F | Partly Cloudy | 9 to 17 mph S | 11% |
| Monday | 91°F | Mostly Sunny | 10 to 17 mph SSW | 11% |
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 Aug 4, 2026.