Milledgeville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milledgeville, a village in Carroll County, Illinois.
Today
58°F
Slight Chance Drizzle then Slight Chance Rain Showers
A slight chance of drizzle before 1pm, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of drizzle. Cloudy. High near 58, with temperatures falling to around 55 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Milledgeville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Slight Chance Drizzle then Slight Chance Rain Showers | 15 mph SW | 15% |
| Tonight | 47°F | Slight Chance Rain Showers | 10 to 15 mph SW | 20% |
| Thursday | 51°F | Chance Rain Showers | 10 to 15 mph W | 34% |
| Thursday Night | 38°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 18% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 33°F | Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 62°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 37°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Milledgeville (41.964, -89.775). Updated through the day.
Growing snapshot for Milledgeville
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Milledgeville: nearby ZIP 61051 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Polo 5Nw, Il (8.7 mi from Milledgeville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.