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Cicero, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cicero, a town in Cook County, Illinois.

Today
73°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 1pm. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

7-day forecast for Cicero

WhenTempForecastWindPrecip
Today 73°F Mostly Cloudy then Chance Rain Showers 20 to 25 mph S 32%
Tonight 61°F Slight Chance T-storms then Rain 15 to 20 mph SSE 79%
Wednesday 65°F Rain Likely 15 mph SSW 64%
Wednesday Night 50°F Mostly Cloudy 15 mph SW 12%
Thursday 58°F Chance Rain 10 to 15 mph WSW 26%
Thursday Night 45°F Chance Rain 5 to 10 mph WNW 50%
Friday 53°F Chance Rain 10 mph N 39%
Friday Night 40°F Slight Chance Rain then Mostly Cloudy 5 to 10 mph NNW 17%
Saturday 53°F Mostly Sunny 5 mph WNW 12%
Saturday Night 38°F Partly Cloudy 5 mph WSW 7%
Sunday 56°F Mostly Sunny 5 to 10 mph W 7%
Sunday Night 40°F Mostly Clear 5 mph WNW 6%
Monday 60°F Mostly Sunny 5 to 10 mph WSW 7%
Monday Night 44°F Partly Cloudy 5 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov) for Cicero (41.845, -87.759). Updated through the day.

Growing snapshot for Cicero

Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
6a

More local growing data for Cicero: nearby ZIP 60804 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Chicago Midway Ap, Il (3.8 mi from Cicero). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.