Harman US

Carrollton, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Carrollton, a city in Greene County, Illinois.

Tonight
55°F
Light Rain
Rain before 3am, then a chance of rain showers. Cloudy, with a low around 55. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

7-day forecast for Carrollton

WhenTempForecastWindPrecip
Tonight 55°F Light Rain 9 to 14 mph SW 77%
Wednesday 61°F Chance Rain Showers then Mostly Cloudy 10 to 14 mph SW 12%
Wednesday Night 41°F Partly Cloudy 8 mph SW 0%
Thursday 63°F Sunny 7 to 13 mph W 4%
Thursday Night 40°F Mostly Cloudy then Slight Chance T-storms 6 mph NW 22%
Friday 57°F Mostly Cloudy 6 to 9 mph NW 6%
Friday Night 35°F Mostly Cloudy 1 to 7 mph N 1%
Saturday 56°F Mostly Sunny 3 mph NW 0%
Saturday Night 33°F Partly Cloudy 2 mph W 1%
Sunday 62°F Sunny 2 to 7 mph W 7%
Sunday Night 33°F Mostly Clear 5 mph W 3%
Monday 66°F Sunny 3 to 8 mph SW 2%
Monday Night 38°F Mostly Clear 5 mph SW 1%
Tuesday 68°F Sunny 6 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Carrollton (39.294, -90.407). Updated through the day.

Growing snapshot for Carrollton

Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a

More local growing data for Carrollton: nearby ZIP 62016 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

All Illinois locations ›

Climate data from the nearest NOAA station, White Hall 1 E, Il (10.1 mi from Carrollton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.