Harman US

Coatsburg, IL Weather & Growing Conditions

Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 73°F Partly Cloudy 8 mph S 8%
Saturday 91°F Mostly Cloudy 8 mph SW 8%
Saturday Night 70°F Slight Chance Showers And Thunderstorms 5 mph SW 56%
Sunday 78°F Showers And Thunderstorms 3 to 10 mph N 53%
Sunday Night 62°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 12 mph NE 72%
Monday 66°F Showers And Thunderstorms Likely 13 mph NE 72%
Monday Night 56°F Chance Rain Showers 12 mph NE 33%
Tuesday 64°F Chance Rain Showers 12 mph NE 28%
Tuesday Night 51°F Partly Cloudy 6 to 9 mph NE 4%
Wednesday 68°F Mostly Sunny 8 mph NE 1%
Wednesday Night 54°F Partly Cloudy 3 to 7 mph NE 1%
Thursday 70°F Partly Sunny 6 mph NE 4%
Thursday Night 57°F Partly Cloudy 5 mph NE 4%
Friday 72°F Partly Sunny 7 mph NE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Coatsburg, IL

Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6a

Explore more for Coatsburg, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Quincy Rgnl Ap, Il (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.