Weather in Oak Brook, IL
Updated 2026-09-26 11:45 local time · ZIP codes 60523
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
64°10% rain68°9% rain69°9% rain70°8% rain69°8% rain68°10% rain64°10% rain
62°10% rain62°10% rain61°11% rain61°11% rain61°12% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 57°F with winds near 5 mph.
70°F, 8% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 64°F, wind 5 mph, rain chance up to 12%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Oak Brook
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Oak Brook is part of the Midwest weather region. The forecast point is near 41.83°N latitude and 87.93°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Oak Brook weather today
Overcast and 64°F in Oak Brook, IL. Today's high is 70°F with a 7% rain chance. Winds are around 5 mph with gusts near 8 mph. Relative humidity is 34%, pressure is 30.20 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Oak Brook
Sunrise is at 06:43 AM and sunset is at 06:42 PM. Tomorrow's forecast calls for Overcast with a high near 71°F and a low near 57°F. The maximum rain chance is 10%.