Arlington Heights, Illinois Weather
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Weather Forecast for Arlington Heights, Illinois : Cook County
Issued: 9:41 pm CDT Sep 15, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday 20% chance of on Saturday 20% chance of on Sunday Mostly Sunny on Monday
Low: 61°F High: 84°F High: 84°F High: 86°F High: 81°F High: 78°F High: 78°F High: 80°F
Low: 60°F Low: 62°F Low: 64°F Low: 63°F Low: 62°F Low: 61°F  
Mostly Clear Sunny Sunny Sunny Partly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
66°
Clear
as of 10:52 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
70°
Clear
as of 10:51 PM CDST
Rel. Humidity: 77%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
WEST CHICAGO - (KDPA)
66°
Clear
as of 10:52 PM CDST
Rel. Humidity: 77%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
3 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
WAUKEGAN - (KUGN)
64°
Clear
Mist
as of 10:51 PM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 3 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
3 MPH
050° Northeast
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 61. East wind around 5 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 84. Light east wind increasing to 5 to 10 mph in the morning.
Mostly Clear on Tuesday Night Tuesday Night... 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 84. 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 northeast wind around 5 mph becoming calm in the evening.
Sunny on Thursday Thursday... Sunny, with a high near 86.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 64.
Partly Sunny on Friday Friday... Partly sunny, with a high near 81.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 63.
20% chance of Saturday Saturday... A chance of showers after 1pm. Partly sunny, with a high near 78.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 62.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 78.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 61.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 80.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 06:34 AM
Sunset: 7:00 PM
Civil Sunrise:06:06 AM
Civil Sunset: 7:28 PM
Nautical Sunrise: 05:33 AM
Nautical Sunset: 8:01 PM
Astro Sunrise: 04:59 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.