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Mokena, IL Weather & Growing Conditions

Tonight
60°F
Rain Showers
Rain showers. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Rain Showers 15 to 20 mph S 82%
Wednesday 64°F Rain Showers Likely then Mostly Cloudy 15 mph SSW 57%
Wednesday Night 48°F Mostly Cloudy 15 mph SW 11%
Thursday 58°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph WSW 22%
Thursday Night 43°F Chance Rain Showers 5 to 10 mph WNW 39%
Friday 53°F Chance Rain Showers 10 mph N 26%
Friday Night 37°F Mostly Cloudy 5 to 10 mph NNW 11%
Saturday 52°F Mostly Sunny 5 mph WNW 9%
Saturday Night 35°F Partly Cloudy 0 to 5 mph WSW 4%
Sunday 57°F Mostly Sunny 5 to 10 mph W 13%
Sunday Night 36°F Mostly Clear 5 to 10 mph W 8%
Monday 61°F Sunny 5 to 15 mph WSW 5%
Monday Night 40°F Mostly Clear 5 to 10 mph WSW 2%
Tuesday 62°F Sunny 5 to 10 mph W 1%

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

Growing snapshot for Mokena, IL

Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Romeoville Wfo, Il (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.