Harman US

Marcelline, IL Weather & Growing Conditions

Tonight
52°F
Chance Light Rain then Chance Rain Showers
A chance of rain before 9pm, then a chance of rain showers. Cloudy, with a low around 52. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Chance Light Rain then Chance Rain Showers 10 to 14 mph SW 39%
Wednesday 58°F Chance Rain Showers then Cloudy 12 to 16 mph SW 12%
Wednesday Night 44°F Mostly Cloudy 9 mph SW 1%
Thursday 59°F Partly Sunny 8 to 12 mph W 9%
Thursday Night 43°F Mostly Cloudy then Slight Chance T-storms 7 mph NW 22%
Friday 55°F Mostly Cloudy 9 mph N 3%
Friday Night 38°F Partly Cloudy 1 to 6 mph N 1%
Saturday 56°F Partly Sunny 3 mph NW 2%
Saturday Night 38°F Mostly Clear 3 mph W 3%
Sunday 62°F Sunny 3 to 7 mph W 9%
Sunday Night 38°F Mostly Clear 5 mph W 2%
Monday 66°F Sunny 3 to 9 mph SW 2%
Monday Night 42°F Mostly Clear 6 mph W 0%
Tuesday 67°F Sunny 5 mph NW 0%

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

Growing snapshot for Marcelline, IL

Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
194 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Canton L&D 20, Mo (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.