Chicago O'Hare Airport (ORD) Weather 12/15/2025
Overnight
3
Mostly Cloudy
Monday
23
Mostly Cloudy and Breezy then Mostly Cloudy
Monday Night
17
Partly Cloudy
Tuesday
35
Partly Sunny
Tuesday Night
30
Mostly Cloudy
Wednesday
39
Mostly Sunny
Wednesday Night
34
Mostly Cloudy then Chance Rain
Thursday
46
Breezy. Rain then Mostly Cloudy
Thursday Night
12
Mostly Cloudy and Breezy then Mostly Cloudy
Friday
30
Partly Sunny
Friday Night
24
Mostly Cloudy
Saturday
41
Mostly Cloudy
Saturday Night
25
Mostly Cloudy
Weekly Forecast
Overnight
Mostly cloudy, with a low around 3. Wind chill values as low as -13. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 23. Wind chill values as low as -12. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 17. Southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Partly sunny, with a high near 35. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
Thursday
Rain before noon. Mostly cloudy, with a high near 46. Breezy.
Thursday Night
Mostly cloudy, with a low around 12. Breezy.
Friday
Partly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 25.