CHICAGO, IL 60666 Weather Forecast & Current Conditions

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CHICAGO-OHARE, IL
Current Weather

2:51 AM CDT OCT 20, 2026
Clear
46°F
Feels Like: 46°F
Dewpoint: 45°F
Rel. Hum.: 96%
Visibility: 10 miles
Wind: Calm
Pressure: 30.37 inches
Last 72 hours

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CHICAGO, IL 60666
Weather Forecast

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Snow Depth pages
EARLY THIS MORNING
Mostly clear. Patchy dense fog. Temperatures in the upper 40s. Light and variable winds.
TODAY
Mostly sunny. Patchy dense fog early in the morning. Highs in the upper 60s. Northeast winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Patchy dense fog late. Lows in the upper 40s. East winds around 5 mph, becoming south after midnight.
WEDNESDAY
Partly cloudy in the morning, then becoming mostly sunny. Patchy dense fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. South winds around 5 mph.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s. Light and variable winds.
THURSDAY
Mostly sunny. Highs in the upper 60s. Light and variable winds, becoming northeast around 5 mph in the afternoon.
THURSDAY NIGHT
Mostly clear. Lows in the lower 50s.
FRIDAY
Mostly sunny. Highs in the upper 60s.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 50.
SATURDAY
Partly cloudy. Highs in the upper 60s.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
SUNDAY
Mostly cloudy. Highs around 70.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

Visible Weather Satellite
CHICAGO, IL 60666
Infrared Weather Satellite
CHICAGO, IL 60666
NEXRAD Weather Radar
CHICAGO, IL 60666

CHICAGO-OHARE, IL 3 hourly weather forecast

weather forecast created  7:00 PM CDT 10/19/2026
Tuesday
20 OCT 2026
CHICAGO, IL 60666 weather forecast Day 1, 0 hours 1 AM 49° 49° Clear 0%

0% Thunder
( 0% severe)
  CALM 77% 42°
Low 45° CHICAGO, IL 60666 weather forecast Day 1, 3 hours 4 AM 47° 46° Partly Cloudy   CALM 80% 41°
High 67° CHICAGO, IL 60666 weather forecast Day 1, 6 hours 7 AM 46° 45° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 83% 41°

Partly Cloudy



CHICAGO, IL 60666 weather forecast Day 1, 9 hours 10 AM 57° 58° Partly Cloudy   CALM 67% 46°
CHICAGO, IL 60666 weather forecast Day 1, 12 hours 1 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
E   3 46% 44°
CHICAGO, IL 60666 weather forecast Day 1, 15 hours 4 PM 66° 66° Clear E   5 42% 42°
CHICAGO, IL 60666 weather forecast Day 1, 18 hours 7 PM 58° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   6 60% 44°
CHICAGO, IL 60666 weather forecast Day 1, 21 hours 10 PM 53° 53° Partly Cloudy E   3 74% 45°
Wednesday
21 OCT 2026
CHICAGO, IL 60666 weather forecast Day 2, 0 hours 1 AM 50° 50° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 77% 43°
Low 45° CHICAGO, IL 60666 weather forecast Day 2, 3 hours 4 AM 47° 46° Partly Cloudy   CALM 80% 41°
High 69° CHICAGO, IL 60666 weather forecast Day 2, 6 hours 7 AM 45° 44° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 82% 40°

Partly Cloudy



CHICAGO, IL 60666 weather forecast Day 2, 9 hours 10 AM 57° 58° Partly Cloudy   CALM 59% 43°
CHICAGO, IL 60666 weather forecast Day 2, 12 hours 1 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   1 43% 44°
CHICAGO, IL 60666 weather forecast Day 2, 15 hours 4 PM 69° 69° Partly Cloudy   CALM 37% 42°
CHICAGO, IL 60666 weather forecast Day 2, 18 hours 7 PM 61° 62° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 56% 45°
CHICAGO, IL 60666 weather forecast Day 2, 21 hours 10 PM 55° 55° Partly Cloudy   CALM 72% 46°

CHICAGO-OHARE, IL extended weather forecast

Thursday
22 OCT 2026
Friday
23 OCT 2026
Saturday
24 OCT 2026
Sunday
25 OCT 2026
Monday
26 OCT 2026
Low 53° Low 53° Low 55° Low 55° Low 53°
High 73° High 75° High 75° High 71° High 64°
CHICAGO, IL 60666 weather forecast Day 3 CHICAGO, IL 60666 weather forecast Day 4 CHICAGO, IL 60666 weather forecast Day 5 CHICAGO, IL 60666 weather forecast Day 6 CHICAGO, IL 60666 weather forecast Day 7
Clear
10% Rain
Clear
7% Rain
Clear
8% Rain
Partly Cloudy
18% Rain
Partly Cloudy
44% Rain
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