Milledgeville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milledgeville, a village in Carroll County, Illinois.
Overnight
60°F
Mostly Clear
Mostly clear. Low around 60, with temperatures rising to around 62 overnight. South wind around 5 mph.
7-day forecast for Milledgeville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 76% |
| Wednesday | 77°F | Showers And Thunderstorms | 0 to 5 mph W | 75% |
| Wednesday Night | 60°F | Showers And Thunderstorms | 0 to 5 mph N | 75% |
| Thursday | 79°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 37% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 8% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 20% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 20% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 37% |
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 Aug 4, 2026.