DuPage County, IL Weather Forecast
County weather hub
Mostly Sunny then Slight Chance Rain Showers
Compare major city weather across DuPage County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 81.
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
- May 25, 2026
- Latest sync
- May 19, 2026 10:15 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in DuPage County
Memorial Day looks like the warmest upcoming period in DuPage County at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Memorial Day at about 5 to 10 mph SSE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 19, 2026 10:15 AM CDT
- Coverage
- 1 day
- 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 slight chance of rain showers before 1am. Mostly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
5 to 10 mph
SSE
|
|
Monday Night
May 25
|
Slight Chance Rain Showers
|
62°F |
5 to 10 mph
SE
|
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.
