Georgetown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Georgetown, a community in Mcdonough County, Illinois.
This Afternoon
56°F
Cloudy
Cloudy. High near 56, with temperatures falling to around 53 in the afternoon. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Georgetown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Cloudy | 10 to 15 mph W | 8% |
| Tonight | 46°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph SW | 10% |
| Thursday | 54°F | Chance Rain Showers | 10 to 15 mph W | 29% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Cloudy | 5 to 10 mph NW | 20% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 mph | 0% |
| Sunday | 59°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Clear | 0 to 5 mph SW | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 39°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Georgetown (40.460, -90.717). Updated through the day.
Growing snapshot for Georgetown
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6a
More local growing data for Georgetown: nearby ZIP 61455 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Adair
Bardolph
Blandinsville
Bushnell
Colchester
Good Hope
Industry
Macomb
Prairie City
Sciota
Tennessee
Climate data from the nearest NOAA station, Prairie City 2S, Il (13.9 mi from Georgetown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.