Coalton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalton, a village in Montgomery County, Illinois.
Today
85°F
Sunny
Sunny, with a high near 85. South wind around 5 mph.
7-day forecast for Coalton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny | 2 to 6 mph S | 11% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 mph S | 66% |
| Thursday | 83°F | Showers And Thunderstorms | 2 to 6 mph SW | 79% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 32% |
| Friday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 3 mph SW | 29% |
| Friday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 mph S | 26% |
| Saturday | 86°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 26% |
| Saturday Night | 70°F | Mostly Clear | 2 to 6 mph S | 12% |
| Sunday | 88°F | Sunny | 6 to 10 mph S | 6% |
| Sunday Night | 72°F | Mostly Clear | 8 mph S | 6% |
| Monday | 90°F | Mostly Sunny | 9 mph SW | 10% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 8 mph S | 22% |
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
6a
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 Aug 4, 2026.