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Arlington Heights, Illinois Weather Forecast
Arlington Heights, Illinois Weather
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Weather Forecast for Arlington Heights, Illinois : Cook County
Issued: 1:51 am CST Dec 22, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Cloudy on Overnight 10% chance of  on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday Patchy Fog on Christmas Day Mostly Sunny on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday
Low: 31°F High: 41°F High: 45°F High: 40°F High: 45°F High: 52°F High: 50°F High: 34°F
Low: 35°F Low: 31°F Low: 39°F Low: 44°F Low: 35°F Low: 26°F  
Cloudy Mostly Cloudy Partly Sunny Rain Patchy Fog Mostly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
34°
Cloudy
as of 1:52 AM CST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
CHICAGO-OHARE - (KORD)
34°
Feels like 26°F
Cloudy
as of 1:51 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Broken at 7000ft, Solid Overcast at 9500ft
Current Conditions at
WEST CHICAGO - (KDPA)
30°
Cloudy
as of 1:52 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Broken at 9000ft, Solid Overcast at 11000ft
Current Conditions at
WAUKEGAN - (KUGN)
34°
Cloudy
as of 1:51 AM CST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 7000ft
Cloudy on Overnight Overnight... Cloudy, with a steady temperature around 31. South wind around 10 mph.

10% chance of  Monday Monday... A slight chance of sprinkles after 2pm. Mostly cloudy, with a high near 41. South wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 15 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 45. West northwest wind 5 to 10 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm. Winds could gust as high as 10 mph.

30% chance of rain Wednesday Wednesday... A 30 percent chance of showers with intermittent drizzle after noon. Cloudy, with a high near 40.

60% chance of rain Wednesday Night Wednesday Night... Showers likely with intermittent drizzle before midnight, then patchy drizzle with a slight chance of showers after midnight. Patchy fog. Otherwise, cloudy, with a low around 39. Chance of precipitation is 60%.

Patchy Fog on Christmas Day Christmas Day... Patchy drizzle. Patchy fog before 1pm. Otherwise, cloudy, with a high near 45.

20% chance of rain Thursday Night Thursday Night... Patchy drizzle with a chance of showers. Mostly cloudy, with a low around 44.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 52.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 35.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 50.

20% chance of rain Saturday Night Saturday Night... A chance of rain. Mostly cloudy, with a low around 26.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 34.

Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:18 AM
Sunset: 4:24 PM
Civil Sunrise:06:46 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:05 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.