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
62°F
Slight Chance Rain Showers then Showers And Thunderstorms Likely
A slight chance of rain showers before midnight, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Monroe Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 to 15 mph E | 57% |
| Saturday | 77°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 90% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 67°F | Showers And Thunderstorms | 10 to 20 mph NE | 77% |
| Sunday Night | 54°F | Rain Showers Likely | 15 mph NE | 56% |
| Monday | 64°F | Chance Rain Showers | 15 to 20 mph ENE | 43% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 to 15 mph NE | 10% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Wednesday Night | 49°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 10 mph NNE | 5% |
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
Nearby towns & communities
Baileyville
Byron
Creston
Davis Junction
Forreston
Hillcrest
Holcomb
Kings
Leaf River
Mount Morris
Oregon
Polo
Rochelle
Stillman Valley
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 Sep 19, 2026.