Harman US

Monroe Center, IL Weather & Growing Conditions

Overnight
56°F
Rain
Rain. Cloudy. Low around 56, with temperatures rising to around 60 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Rain 15 mph S 84%
Wednesday 60°F Chance Rain then Chance Rain Showers 15 mph SSW 45%
Wednesday Night 46°F Chance Rain Showers 15 mph SW 26%
Thursday 55°F Chance Rain Showers 10 to 15 mph WSW 45%
Thursday Night 40°F Chance Rain Showers 5 to 10 mph NW 38%
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 52°F Mostly Sunny 0 to 5 mph WNW 2%
Saturday Night 32°F Partly Cloudy 0 to 5 mph WSW 3%
Sunday 58°F Mostly Sunny 5 to 10 mph W 14%
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 62°F Sunny 5 to 10 mph WNW 1%

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

Growing snapshot for Monroe Center, IL

Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Rochelle, Il (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.