Weather World
City of St. Charles, ILSt. Charles, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Charles, IL Weather Forecast
St. Charles, IL Weather Forecast Date: 921 AM CDT Sun Oct 18 2026
The area/counties/county of: Kane, including the cities of: Aurora and Elgin.or toggle through each period.
Rest of Today... Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Clear. Lows in the upper 30s. South winds 5 to 10 mph.
Monday... Sunny. Highs in the mid 60s. South winds around 5 mph.
Monday Night... Mostly clear. Lows in the lower 40s. Light and variable winds.
Tuesday... Sunny. Highs in the upper 60s. East winds around 5 mph.
Tuesday Night... Mostly clear. Lows in the mid 40s.
Wednesday... Sunny. Highs around 70.
Wednesday Night... Mostly clear. Lows in the upper 40s.
Thursday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s.
Thursday Night... Mostly clear. Lows in the upper 40s.
Friday... Mostly sunny. Highs in the lower 70s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
St. Charles Radar Loop
Use the map search tool if you want to place a location marker on the radar map...