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Darien, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Darien, a city in Dupage County, Illinois.

This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 72, with temperatures falling to around 69 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Darien

WhenTempForecastWindPrecip
This Afternoon 72°F Chance Rain Showers 15 mph S 40%
Tonight 60°F Rain Showers 15 mph S 85%
Wednesday 63°F Rain Showers Likely 15 mph SSW 61%
Wednesday Night 49°F Mostly Cloudy 15 mph SW 14%
Thursday 58°F Chance Rain Showers 10 to 15 mph WSW 27%
Thursday Night 44°F Chance Rain Showers 5 to 10 mph WNW 42%
Friday 53°F Chance Rain Showers 10 to 15 mph N 28%
Friday Night 38°F Mostly Cloudy 5 to 10 mph NNW 11%
Saturday 52°F Mostly Sunny 5 mph WNW 9%
Saturday Night 37°F Partly Cloudy 5 mph WSW 5%
Sunday 57°F Mostly Sunny 5 to 10 mph W 14%
Sunday Night 38°F Mostly Clear 5 to 10 mph W 9%
Monday 60°F Sunny 5 to 10 mph WSW 4%
Monday Night 42°F Mostly Clear 5 to 10 mph WSW 2%

Forecast source: National Weather Service (api.weather.gov) for Darien (41.746, -87.981). Updated through the day.

Growing snapshot for Darien

Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
6a

More local growing data for Darien: nearby ZIP 60561 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Little Red School Hse, Il (6 mi from Darien). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.