Coalton, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coalton, a village in Montgomery County, Illinois.

This Afternoon

71°F

Slight Chance T-storms

A slight chance of thunderstorms and a slight chance of rain before 2pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 71. South wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

7-day forecast for Coalton

When	Temp	Forecast	Wind	Precip
This Afternoon	71°F	Slight Chance T-storms	16 to 21 mph S	80%
Tonight	53°F	Rain	10 to 15 mph S	96%
Wednesday	62°F	Chance Rain Showers then Mostly Cloudy	8 to 13 mph SW	14%
Wednesday Night	43°F	Partly Cloudy	6 mph SW	0%
Thursday	63°F	Sunny	6 to 12 mph W	1%
Thursday Night	42°F	Mostly Cloudy then Slight Chance T-storms	5 mph NW	15%
Friday	57°F	Partly Sunny	5 to 9 mph NW	10%
Friday Night	37°F	Partly Cloudy	2 to 7 mph N	4%
Saturday	55°F	Partly Sunny	3 mph NW	1%
Saturday Night	34°F	Partly Cloudy	2 mph W	1%
Sunday	60°F	Sunny	2 to 7 mph W	7%
Sunday Night	34°F	Mostly Clear	5 mph W	4%
Monday	64°F	Sunny	2 to 8 mph SW	3%
Monday Night	39°F	Mostly Clear	5 mph SW	2%

Forecast source: National Weather Service (api.weather.gov) for Coalton (39.285, -89.303). Updated through the day.

Growing snapshot for Coalton

Last spring frost

Apr 12

First fall frost

Oct 20

Growing season

190 days

Hardiness zone

More local growing data for Coalton: nearby ZIP 62075 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Morrisonville, Il (11.8 mi from Coalton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.