Fair Oaks, Illinois Weather
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Weather Forecast for Fair Oaks, Illinois : Cook County
Issued: 4:11 pm CDT Sep 16, 2025 Latitude: 42.1402778 Longitude: -87.7922222 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 20% chance of  on Sunday 20% chance of  on Monday Mostly Sunny on Tuesday
Low: 60°F High: 79°F High: 78°F High: 77°F High: 77°F High: 80°F High: 79°F High: 79°F
Low: 62°F Low: 64°F Low: 65°F Low: 65°F Low: 66°F Low: 63°F  
Mostly Clear Sunny Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
73°
Clear
as of 6:52 PM CDST
Rel. Humidity: 49%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
75°
Mostly Cloudy
as of 6:51 PM CDST
Rel. Humidity: 44%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
8 MPH
100° East
Cloud Level(s): Broken at 30000ft
Current Conditions at
WAUKEGAN - (KUGN)
70°
Clear
as of 6:51 PM CDST
Rel. Humidity: 64%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.

Sunny on Wednesday Wednesday... Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 62. East wind around 5 mph becoming calm in the evening.

Sunny on Thursday Thursday... Sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 64. Northeast wind around 5 mph, with gusts as high as 10 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 77.

20% chance of rain Friday Night Friday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 65.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 77.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 65.

20% chance of  Sunday Sunday... A chance of showers after 1pm. Partly sunny, with a high near 80.

20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 66.

20% chance of  Monday Monday... A chance of showers. Partly sunny, with a high near 79.

20% chance of rain Monday Night Monday Night... A chance of showers. Partly cloudy, with a low around 63.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 79.

Sun Almanac for Fair Oaks, Illinois
Sunrise: 06:33 AM
Sunset: 6:59 PM
Civil Sunrise:06:05 AM
Civil Sunset: 7:27 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 8:00 PM
Astro Sunrise: 04:58 AM
Astro Sunset: 8:34 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.