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Monroe Center, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Monroe Center, a village in Ogle County, Illinois.

Tonight
57°F
Rain
Rain. Cloudy. Low around 57, with temperatures rising to around 60 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Monroe Center

WhenTempForecastWindPrecip
Tonight 57°F Rain 15 mph S 87%
Wednesday 60°F Chance Rain then Chance Rain Showers 15 mph SSW 46%
Wednesday Night 46°F Chance Rain Showers 15 mph SW 27%
Thursday 55°F Chance Rain Showers 10 to 15 mph WSW 45%
Thursday Night 40°F Chance Rain Showers 5 to 10 mph NW 37%
Friday 51°F Slight Chance Rain Showers then Partly Sunny 10 to 15 mph N 19%
Friday Night 32°F Partly Cloudy 0 to 10 mph NNW 3%
Saturday 51°F Mostly Sunny 0 to 5 mph WNW 2%
Saturday Night 32°F Partly Cloudy 0 to 5 mph WSW 3%
Sunday 57°F Mostly Sunny then Slight Chance Rain 5 to 10 mph W 15%
Sunday Night 33°F Mostly Clear 5 mph W 4%
Monday 61°F Sunny 5 to 15 mph SW 2%
Monday Night 38°F Mostly Clear 5 to 10 mph W 1%
Tuesday 61°F Sunny 5 to 10 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov) for Monroe Center (42.100, -88.994). Updated through the day.

Growing snapshot for Monroe Center

Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
5b

More local growing data for Monroe Center: nearby ZIP 61052 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Rockford Gtr Rockford Ap, Il (7.4 mi from Monroe Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.