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Mount Auburn, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mount Auburn, a village in Christian County, Illinois.

Overnight
56°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 56. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Mount Auburn

WhenTempForecastWindPrecip
Overnight 56°F Chance Light Rain 13 mph SSW 27%
Wednesday 60°F Patchy Drizzle 12 to 15 mph SW 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 58°F Sunny 2 to 8 mph WNW 1%
Sunday Night 34°F Clear 1 to 5 mph W 1%
Monday 63°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) for Mount Auburn (39.765, -89.259). Updated through the day.

Growing snapshot for Mount Auburn

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

More local growing data for Mount Auburn: nearby ZIP 62547 weather · frost dates · planting calendar · Illinois frost dates

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