CHICAGO, IL 60666 Weather Forecast & Current Conditions

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CHICAGO-OHARE, IL
Current Weather

12:51 AM CDT AUG 20, 2026
Broken Clouds
70°F
Feels Like: 70°F
Dewpoint: 55°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: NNE at 7 mph
Pressure: 29.97 inches
Last 72 hours

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CHICAGO, IL 60666
Weather Forecast

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REST OF TONIGHT
Partly cloudy. Near steady temperature in the upper 60s. Northeast winds around 5 mph.
THURSDAY
Sunny. Highs in the upper 70s inland, but only in the mid 70s near the lake. Northeast winds 5 to 10 mph.
THURSDAY NIGHT
Mostly clear. Lows in the lower 60s. East winds around 5 mph, becoming southwest after midnight.
FRIDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. West winds around 5 mph. Chance of precipitation 40 percent.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of precipitation 20 percent.
SATURDAY NIGHT
Mostly clear. Lows in the mid 60s.
SUNDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s.
MONDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.
MONDAY NIGHT
Partly cloudy. Lows in the lower 60s.
TUESDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.

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  8/19/2026
Thursday
20 AUG 2026
CHICAGO, IL 60666 weather forecast Day 1, 0 hours 1 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNE   6 70% 58°
Low 64° CHICAGO, IL 60666 weather forecast Day 1, 3 hours 4 AM 65° 65° Partly Cloudy NNE   6 75% 57°
High 80° CHICAGO, IL 60666 weather forecast Day 1, 6 hours 7 AM 65° 65° Clear 1%

0% Thunder
( 1% severe)
NA   6 75% 57°

Clear



CHICAGO, IL 60666 weather forecast Day 1, 9 hours 10 AM 74° 74° Clear NE   7 55% 57°
CHICAGO, IL 60666 weather forecast Day 1, 12 hours 1 PM 77° 79° Clear 0%

0% Thunder
( 1% severe)
NE   7 47% 55°
CHICAGO, IL 60666 weather forecast Day 1, 15 hours 4 PM 78° 79° Clear ENE   7 42% 53°
CHICAGO, IL 60666 weather forecast Day 1, 18 hours 7 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 1% severe)
E   6 50% 55°
CHICAGO, IL 60666 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy ESE   5 61% 55°
Friday
21 AUG 2026
CHICAGO, IL 60666 weather forecast Day 2, 0 hours 1 AM 66° 66° Partly Cloudy 2%

0% Thunder
( 3% severe)
SW   3 68% 55°
Low 62° CHICAGO, IL 60666 weather forecast Day 2, 3 hours 4 AM 63° 64° Partly Cloudy SW   5 78% 56°
High 81° CHICAGO, IL 60666 weather forecast Day 2, 6 hours 7 AM 64° 64° Partly Cloudy 9%

0% Thunder
( 10% severe)
SSW   6 78% 57°

Mostly Cloudy

Chance of Rain

CHICAGO, IL 60666 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy SSW   7 66% 61°
CHICAGO, IL 60666 weather forecast Day 2, 12 hours 1 PM 77° 79° Partly Cloudy 26%
RAIN
<.01 in
0% Thunder
( 28% severe)
SW   10 62% 63°
CHICAGO, IL 60666 weather forecast Day 2, 15 hours 4 PM 78° 80° Mostly Cloudy SW   12 62% 64°
CHICAGO, IL 60666 weather forecast Day 2, 18 hours 7 PM 75° 75° Mostly Cloudy 40%
RAIN
>2 in
0% Thunder
( 28% severe)
SW   9 74% 66°
CHICAGO, IL 60666 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy SW   8 81% 66°

CHICAGO-OHARE, IL extended weather forecast

Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Low 64° Low 62° Low 60° Low 64° Low 68°
High 83° High 77° High 79° High 82° High 86°
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
Partly Cloudy
56% Rain
Clear
6% Rain
Partly Cloudy
15% Rain
Partly Cloudy
23% Rain
Partly Cloudy
46% Rain
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