Weather World
City of Wheaton, ILWheaton, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Wheaton, IL Weather Forecast
Wheaton, IL Weather Forecast Date: 801 PM CDT Thu Sep 03 2026
The area/counties/county of: Dupage, including the cities of: Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream.or toggle through each period.
Tonight... Mostly clear. A slight chance of showers and thunderstorms late. Lows in the lower 70s. South winds around 5 mph. Chance of precipitation 20%.
Friday... Partly cloudy. A chance of showers and thunderstorms early in the morning, then a slight chance of showers and thunderstorms late in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 30%. Heat index values up to 100.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of thunderstorms until early morning. A chance of showers. A slight chance of thunderstorms late. Humid with lows in the lower 70s. South winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50%.
Saturday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph. Chance of precipitation 20%.
Saturday Night... Partly cloudy. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Partly cloudy. Highs in the lower 80s.
Sunday Night... Partly cloudy. Lows in the lower 60s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.
Tuesday... Partly cloudy. Highs in the mid 80s.
Tuesday Night... Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 30%.
Wednesday... Partly cloudy. Highs in the upper 80s.
Wednesday Night... Partly cloudy with a 40% chance of showers. Lows in the upper 60s.
POP = Probability of Precipitation
Wheaton Radar Loop
Use the map search tool if you want to place a location marker on the radar map...