Round Lake, Illinois Weather
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Weather Forecast for Round Lake, Illinois : Lake County
Issued: 2:26 pm CDT Sep 16, 2025 Latitude: 42.353355 Longitude: -88.0934145 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Morning Fog on Tonight Morning Fog on Wednesday Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 20% chance of on Sunday 20% chance of on Monday
High: 82°F Low: 56°F High: 83°F High: 84°F High: 80°F High: 79°F High: 80°F High: 79°F
Low: 58°F Low: 60°F Low: 62°F Low: 62°F Low: 63°F  
Sunny Morning Fog Morning Fog Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
79°
Clear
as of 2:51 PM CDST
Rel. Humidity: 50%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
7 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
KENOSHA - (KENW)
81°
Clear
as of 2:53 PM CDST
Rel. Humidity: 47%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
12 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
CHICAGO/WHEELING - (KPWK)
81°
Clear
as of 2:52 PM CDST
Rel. Humidity: 47%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
10 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
MILWAUKEE - (KMKE)
79°
Mostly Clear
as of 2:52 PM CDST
Rel. Humidity: 54%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
8 MPH
110° East
Cloud Level(s): Few at 5000ft, Few at 25000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 82. East wind around 5 mph, with gusts as high as 10 mph.
Morning Fog on Tonight Tonight... Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Morning Fog on Wednesday Wednesday... Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm in the evening.
Sunny on Thursday Thursday... Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 80.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 62.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 79.
20% chance of rain Saturday Night Saturday Night... A chance of showers after 1am. Mostly cloudy, with a low around 62.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 80.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 63.
20% chance of Monday Monday... A chance of showers. Partly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Round Lake, 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: 8:35 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.