Johnsburg, Illinois Weather
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Weather Forecast for Johnsburg, Illinois : McHenry County
Issued: 1:06 am CDT Sep 16, 2025 Latitude: 42.3800209 Longitude: -88.2420315 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Morning Fog on Overnight Morning Fog on Tuesday Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday 20% chance of on Saturday 20% chance of on Sunday Mostly Sunny on Monday
Low: 56°F High: 84°F High: 84°F High: 86°F High: 80°F High: 77°F High: 78°F High: 79°F
Low: 56°F Low: 58°F Low: 61°F Low: 61°F Low: 60°F Low: 59°F  
Morning Fog Morning Fog Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
66°
Clear
as of 12:51 AM CDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
5 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
BURLINGTON MUNICIPAL AIR - (KBUU)
54°
Clear
as of 12:55 AM CDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 4 Miles
Pressure: 30.21 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHICAGO/WHEELING - (KPWK)
64°
Clear
as of 12:52 AM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 8 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
3 MPH
0° North
Cloud Level(s): Clear
Morning Fog on Overnight Overnight... Patchy fog after 3am. Otherwise, mostly clear, with a low around 56. Northeast wind around 5 mph.
Morning Fog on Tuesday Tuesday... Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming east 5 to 10 mph in the morning.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 84. Calm wind becoming east around 5 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 58. East wind around 5 mph becoming calm.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 86.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 61.
Partly Sunny on Friday Friday... Partly sunny, with a high near 80.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 61.
20% chance of Saturday Saturday... A chance of showers after 1pm. Partly sunny, with a high near 77.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 60.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 78.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 59.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Johnsburg, Illinois
Sunrise: 06:35 AM
Sunset: 7:01 PM
Civil Sunrise:06:06 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:33 AM
Nautical Sunset: 8:02 PM
Astro Sunrise: 04:59 AM
Astro Sunset: 8:36 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.