Arlington Heights, Illinois Weather
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Weather Forecast for Arlington Heights, Illinois : Cook County
Issued: 4:11 am CDT Oct 17, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Partly Sunny on Today 80% chance of thunderstorms on Tonight 80% chance of thunderstorms on Saturday 50% chance of on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday
High: 76°F Low: 62°F High: 72°F High: 58°F High: 66°F High: 57°F High: 58°F High: 59°F
Low: 49°F Low: 41°F Low: 46°F Low: 39°F Low: 42°F  
Partly Sunny Thunderstorms Thunderstorms Partly Sunny Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
55°
Clear
as of 3:52 AM CDST
Rel. Humidity: 62%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
57°
Partly Cloudy
as of 3:51 AM CDST
Rel. Humidity: 54%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
150° Southeast
Cloud Level(s): Scattered at 25000ft
Current Conditions at
WEST CHICAGO - (KDPA)
57°
Clear
as of 3:52 AM CDST
Rel. Humidity: 62%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
WAUKEGAN - (KUGN)
59°
Mostly Clear
as of 3:51 AM CDST
Rel. Humidity: 51%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
10 MPH
170° South
Cloud Level(s): Few at 11000ft
Partly Sunny on Today Today... Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph.
80% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 62. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Saturday Saturday... Showers and possibly a thunderstorm. High near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Saturday Night Saturday Night... Showers and possibly a thunderstorm. Low around 49. Southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
50% chance of Sunday Sunday... A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 41.
Sunny on Monday Monday... Sunny, with a high near 66.
20% chance of rain Monday Night Monday Night... A chance of showers. Partly cloudy, with a low around 46.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 57. Breezy.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 39.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 58.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 42.
20% chance of rain Thursday Thursday... A chance of showers. Mostly sunny, with a high near 59.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:07 AM
Sunset: 6:07 PM
Civil Sunrise:06:39 AM
Civil Sunset: 6:35 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 7:08 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 7:40 PM
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