Harman US

Mount Auburn, IL Weather & Growing Conditions

Overnight
57°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 57. South southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Chance Light Rain 14 mph SSW 35%
Wednesday 60°F Patchy Drizzle 12 to 15 mph WSW 10%
Wednesday Night 46°F Patchy Drizzle then Mostly Cloudy 12 mph WSW 10%
Thursday 61°F Partly Sunny 10 to 15 mph WSW 8%
Thursday Night 43°F Mostly Cloudy 5 to 9 mph NW 3%
Friday 54°F Partly Sunny 13 mph NNW 5%
Friday Night 33°F Partly Cloudy 2 to 9 mph NNW 0%
Saturday 53°F Mostly Sunny 2 to 6 mph NNW 0%
Saturday Night 32°F Partly Cloudy 3 mph NW 1%
Sunday 59°F Sunny 2 to 9 mph WNW 1%
Sunday Night 34°F Clear 1 to 5 mph W 1%
Monday 64°F Sunny 1 to 8 mph SW 0%
Monday Night 39°F Clear 5 mph SW 0%
Tuesday 66°F Sunny 6 mph WNW 1%

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

Growing snapshot for Mount Auburn, IL

Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Decatur Wtp, Il (16 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.