DuPage County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Sunny
Compare major city weather across DuPage County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 91.
County Weather Overview
This county weather page brings together forecast coverage for DuPage County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 12 of 12 mapped cities in DuPage County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 10 to Jun 13, 2026
- Latest sync
- Jun 7, 2026 6:39 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in DuPage County
Wednesday looks like the warmest upcoming period in DuPage County at 91 degrees F.
Thursday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 6:39 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72.
Showers and thunderstorms likely. Mostly sunny, with a high near 88.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 63.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 65.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms then Sunny
|
91°F |
10 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
72°F |
15 to 20 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
88°F |
15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
63°F |
5 to 15 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
W
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SW
|
|
Saturday
Jun 13
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SSW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across DuPage County.
Coverage
Forecast coverage currently spans 12 of 12 mapped cities in DuPage County.
Largest mapped city population in this region: 147,986.
