Mixed Sun, Clouds Due to Lake Michigan Cloudiness, Clear Skies Wednesday Night and Thursday Night Will Bring Cold Morning Lows in Mid-40s, Chance Frost
Sunrise 6:55 AM WED OCT 8 2025 East 97°
Sunset 6:20 PM WED OCT 8 2025 West 262°
sunrise sunset azimuth chicago / Google Search
O’HARE FORECAST …
Wednesday: Mostly sunny, with a high near 62. Northeast wind around 10 mph.
Wednesday Night: Mostly clear, with a low around 46. Northeast wind 5 to 10 mph.
Thursday: Sunny, with a high near 65. Southeast wind around 5 mph, with gusts as high as 10 mph.
Thursday Night: Mostly clear, with a low around 46. East southeast wind around 5 mph becoming south after midnight.
Friday: Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night: Partly cloudy, with a low around 50.
Saturday: Sunny, with a high near 68.
Saturday Night: Mostly clear, with a low around 52.
Sunday: Mostly sunny, with a high near 70.
Sunday Night: Mostly cloudy, with a low around 57. Columbus Day: Mostly sunny, with a high near 74.
Monday Night: Mostly cloudy, with a low around 58.
Tuesday: Mostly sunny, with a high near 75.
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Sunset 6:20 PM WED OCT 8 2025 West 262°
sunrise sunset azimuth chicago / Google Search
O’HARE FORECAST …
Frost possibly overnight Wednesday to Thursday, especially in Northwest Indiana. A second cold front moved into the Chicagoland early Wednesday morning. Clear skies, except some Lake Michigan cloudiness is moving over land Wednesday. Looks like the ECMWF model has beat the GFS model for predicting the colder temperatures. Radiational cooling is the name of the game overnight Wednesday/Thursday and overnight Thursday/Friday. Forecast lows are 46°F early Wednesday morning and Thursday morning at O'Hare and cooler in outlying areas. Rain isn't in the forecast, but there are some conditions that could bring showers late Friday.
Wednesday: Mostly sunny, with a high near 62. Northeast wind around 10 mph.
Wednesday Night: Mostly clear, with a low around 46. Northeast wind 5 to 10 mph.
Thursday: Sunny, with a high near 65. Southeast wind around 5 mph, with gusts as high as 10 mph.
Thursday Night: Mostly clear, with a low around 46. East southeast wind around 5 mph becoming south after midnight.
Friday: Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night: Partly cloudy, with a low around 50.
Saturday: Sunny, with a high near 68.
Saturday Night: Mostly clear, with a low around 52.
Sunday: Mostly sunny, with a high near 70.
Sunday Night: Mostly cloudy, with a low around 57. Columbus Day: Mostly sunny, with a high near 74.
Monday Night: Mostly cloudy, with a low around 58.
Tuesday: Mostly sunny, with a high near 75.
GO to Cardinal Area Forecast Discussion Menu
(includes NWS Chicago)
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Important links below ad ...
chicago.chgowx.com
NWS Forecast Chicago (O'Hare)
Arlingtoncardinal.com/radar
(Chicagoland Weather Radar)
Arlingtoncardinal.com/clouds
(Satellite Cloud Cover East United States)
Arlingtoncardinal.com/usforecastchart
(US Weather Forecast Chart)
Arlingtoncardinal.com/uvindex
Ultraviolet Index/UV Index
Arlingtoncardinal.com/sun
Chicagoland Sunrise, Sunset and Solar Information for Chicago area
Arlingtoncardinal.com/moon
Chicagoland Moonrise, Moonset and Lunar Phase information for Chicago area
Full climate/weather details chicagoweatherstation.com
(Desktop Mac/PC links)
Chicago record high temperatures
Chicago record low temperatures
Chicago extreme records
Chicago normal temperatures
Chicago Weather Radar
Chicago Weather Forecast
See also ...
Arlington Heights Weather Forecast
(Mobile/Desktop/Mac/PC)
allergy.chgowx.com
Chicago allergy weather
arthritis.chgowx.com
Chicago arthritis weather
respiratory.chgowx.com
Chicago respiratory weather
Much of the information in CHGOWX.com, Chicago Weather Stations and Chicago Weather Station consists of material from the National Weather Service, which is in the public domain (See ABOUT section).