CHICAGO - O'HARE, ILLINOIS Forecast
WEDNESDAY DEC 10 2025:
WEDNESDAY DEC 10 2025: 20 PERCENT CHANCE OF LIGHT MIXED PRECIPITATION.
HIGH: 37 TO 43. NORTHWEST WIND 16 gusting to 33 mph.
PRECIPITATION AMOUNT: 0.04 in TO 0.07 in. SNOW AMOUNT: 0.0 TO 0.3 in.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 20 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY NIGHT DEC 10 2025: PARTLY CLOUDY.
LOW: 14 TO 16. WEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
THURSDAY DEC 11 2025: MOSTLY CLOUDY.
HIGH: 24 TO 28. SOUTH WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
THURSDAY NIGHT DEC 11 2025: 10 PERCENT CHANCE OF LIGHT SNOW.
LOW: 17 TO 23. SOUTH WIND 8 mph.
PRECIPITATION AMOUNT: 0.00 in TO 0.11 in. SNOW AMOUNT: 0.0 TO 0.8 in.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 10 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
FRIDAY DEC 12 2025: MOSTLY CLOUDY.
HIGH: 24 TO 29. WEST WIND 11 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 88 PERCENT.
FRIDAY NIGHT DEC 12 2025: CLOUDY.
LOW: 8 TO 15. WEST WIND 12 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 10 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SATURDAY DEC 13 2025: 20 PERCENT CHANCE OF LIGHT SNOW.
HIGH: 15 TO 32. WEST WIND 10 mph.
PRECIPITATION AMOUNT: 0.00 in TO 0.04 in. SNOW AMOUNT: 0.5 TO 2.0 in.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 20 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 82 PERCENT.
SATURDAY NIGHT DEC 13 2025: CLEAR.
LOW: 0 TO 7. NORTHWEST WIND 10 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
SUNDAY DEC 14 2025: CLEAR.
HIGH: 8 TO 12. WEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SUNDAY NIGHT DEC 14 2025: PARTLY CLOUDY.
LOW: 1 TO 8. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 93 PERCENT.
MONDAY DEC 15 2025: PARTLY CLOUDY.
HIGH: 21 TO 34. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 77 PERCENT.
MONDAY NIGHT DEC 15 2025: PARTLY CLOUDY.
LOW: 12 TO 28. SOUTHWEST WIND 7 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
TUESDAY DEC 16 2025: PARTLY CLOUDY.
HIGH: 28 TO 34. SOUTHEAST WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 93 PERCENT.
TUESDAY NIGHT DEC 16 2025: MOSTLY CLOUDY.
LOW: 23 TO 33. SOUTH WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY DEC 17 2025: VERY HAZY.
HIGH: 32 TO 37. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY NIGHT DEC 17 2025: DENSE FOG.
LOW: 30 TO 35. SOUTH WIND 14 gusting to 33 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 88 PERCENT.
THURSDAY DEC 18 2025: PARTLY CLOUDY.
HIGH: 37 TO 47. SOUTHWEST WIND 14 gusting to 32 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 93 PERCENT.
THURSDAY NIGHT DEC 18 2025: FAIR.
LOW: 30 TO 34. SOUTH WIND 10 gusting to 32 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
FRIDAY DEC 19 2025: CLEAR.
HIGH: 33 TO 41. WEST WIND 11 gusting to 29 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
FRIDAY NIGHT DEC 19 2025: PARTLY CLOUDY.
LOW: 28 TO 33. SOUTHEAST WIND 7 gusting to 27 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SATURDAY DEC 20 2025: HAZY.
HIGH: 39 TO 42. SOUTH WIND 9 gusting to 26 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SATURDAY NIGHT DEC 20 2025: FOG.
LOW: 30 TO 33. WEST WIND 12 gusting to 27 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.