Knollwood, Illinois Weather
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Weather Forecast for Knollwood, Illinois : Lake County
Issued: 2:06 pm CDT Sep 17, 2025 Latitude: 42.2861339 Longitude: -87.8856275 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon Mostly Clear on Tonight Sunny on Thursday Mostly Sunny on Friday 30% chance of rain on Saturday 20% chance of thunderstorms on Sunday 20% chance of rain on Monday 20% chance of on Tuesday
High: 79°F Low: 60°F High: 81°F High: 77°F High: 76°F High: 82°F High: 80°F High: 77°F
Low: 64°F Low: 63°F Low: 64°F Low: 64°F Low: 62°F  
Sunny Mostly Clear Sunny Mostly Sunny Rain Thunderstorms Rain Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
81°
Clear
as of 1:51 PM CDST
Rel. Humidity: 42%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
7 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
CHICAGO/WHEELING - (KPWK)
81°
Clear
as of 1:52 PM CDST
Rel. Humidity: 44%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
8 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
82°
Partly Cloudy
as of 1:51 PM CDST
Rel. Humidity: 42%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Few at 5000ft, Scattered at 30000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 79. East wind 5 to 10 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Sunny on Thursday Thursday... Sunny, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 64. Northeast wind 5 to 10 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 77. East northeast wind 5 to 10 mph.
20% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
30% chance of rain Saturday Saturday... A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 76.
20% chance of rain Saturday Night Saturday Night... A chance of showers before 1am. Mostly cloudy, with a low around 64.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 64.
20% chance of rain Monday Monday... A chance of showers. Mostly sunny, with a high near 80.
20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 62.
20% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 77.
Sun Almanac for Knollwood, Illinois
Sunrise: 06:34 AM
Sunset: 6:57 PM
Civil Sunrise:06:06 AM
Civil Sunset: 7:26 PM
Nautical Sunrise: 05:33 AM
Nautical Sunset: 7:59 PM
Astro Sunrise: 04:59 AM
Astro Sunset: 8:33 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.