Weather World
The Morton ArboretumMorton Arboretum, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Morton Arboretum, IL Weather Forecast
Morton Arboretum, IL Weather Forecast Date: 1211 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.
This Afternoon... Mostly cloudy early in the afternoon, then becoming partly cloudy. A slight chance of showers and thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Near steady temperature in the upper 80s. Northwest winds around 10 mph, becoming southwest in the afternoon. Chance of precipitation 30%.
Tonight... Partly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 40%.
Friday... Mostly cloudy in the morning, then clearing. 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. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of precipitation 50%. Heat index values up to 102.
Friday Night... Partly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southeast 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. Lows in the upper 60s.
Sunday... Partly cloudy. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows in the mid 60s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... 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%.
POP = Probability of Precipitation
Morton Arboretum Radar Loop
Use the map search tool if you want to place a location marker on the radar map...