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USAUSAState of IllinoisMcHenry CountyAlgonquin

Weather forecast in Algonquin, McHenry County, State of Illinois, USA today

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Local Time.
Time Zone: GMT -5
Summer Time (+1 hour)
* weather indicated in local time
Monday, April 7, 2025
Sun:  Sunrise 06:25 AM, Sunset 07:26 PM.
Moon:  Moonrise 02:18 PM, Moonset 04:20 AM, Moon Phase: waxing gibbous waxing gibbous
 Earth's magnetic field: Active
 Solar ultraviolet index: 5 (Moderate)

12:00 AMnightfrom 12:00 AM to 12:59 AMClear sky +41 °FThe air temperature will not changeClear sky
southern
Wind: gentle breeze, southern, at a speed of 9 mph
Wind gusts: 18 mph
Relative humidity: 58%
Cloudiness: 14%
Atmospheric pressure: 29,1 "Hg
Visibility: 100%

01:00 AMnightfrom 01:00 AM to 01:59 AMClear sky +41 °FThe air temperature will not changeClear sky
southern
Wind: gentle breeze, southern, at a speed of 9 mph
Wind gusts: 25 mph
Relative humidity: 56%
Cloudiness: 0%
Atmospheric pressure: 29,1 "Hg
Visibility: 100%

02:00 AMnightfrom 02:00 AM to 02:59 AMClear sky +37 °FThe air temperature will go downClear sky
southwest
Wind: gentle breeze, southwest, at a speed of 11 mph
Wind gusts: 29 mph
Relative humidity: 56%
Cloudiness: 0%
Atmospheric pressure: 29 "Hg
Visibility: 100%

03:00 AMnightfrom 03:00 AM to 03:59 AMPartly cloudy sky +37 °FThe air temperature will not changePartly cloudy sky
southwest
Wind: gentle breeze, southwest, at a speed of 11 mph
Wind gusts: 31 mph
Relative humidity: 56%
Cloudiness: 23%
Atmospheric pressure: 29 "Hg
Visibility: 100%

04:00 AMnightfrom 04:00 AM to 04:59 AMPartly cloudy sky +37 °FThe air temperature will not changePartly cloudy sky
southwest
Wind: moderate breeze, southwest, at a speed of 13 mph
Wind gusts: 36 mph
Relative humidity: 56%
Cloudiness: 24%
Atmospheric pressure: 29 "Hg
Visibility: 100%

05:00 AMnightfrom 05:00 AM to 05:59 AMPartly cloudy sky +37 °FThe air temperature will not changePartly cloudy sky
southwest
Wind: moderate breeze, southwest, at a speed of 13 mph
Wind gusts: 34 mph
Relative humidity: 56%
Cloudiness: 24%
Atmospheric pressure: 29 "Hg
Visibility: 100%

06:00 AMmorningfrom 06:00 AM to 06:59 AMCloudy sky +37 °FThe air temperature will not changeCloudy sky
western
Wind: moderate breeze, western, at a speed of 16 mph
Wind gusts: 27 mph
Relative humidity: 56%
Cloudiness: 52%
Atmospheric pressure: 29 "Hg
Visibility: 35%

07:00 AMmorningfrom 07:00 AM to 07:59 AMOvercast sky +36 °FThe air temperature will go downOvercast sky
northwest
Wind: moderate breeze, northwest, at a speed of 13 mph
Wind gusts: 27 mph
Relative humidity: 78%
Cloudiness: 90%
Atmospheric pressure: 29 "Hg
Solar ultraviolet index: 0,1 (Low)
Visibility: 4%

08:00 AMmorningfrom 08:00 AM to 08:59 AMCloudy sky +37 °FThe air temperature will riseCloudy sky
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 27 mph
Relative humidity: 68%
Cloudiness: 73%
Atmospheric pressure: 29,1 "Hg
Solar ultraviolet index: 0,3 (Low)
Visibility: 100%

09:00 AMmorningfrom 09:00 AM to 09:59 AMCloudy sky +36 °FThe air temperature will go downCloudy sky
northern
Wind: fresh breeze, northern, at a speed of 20 mph
Wind gusts: 31 mph
Relative humidity: 57%
Cloudiness: 64%
Atmospheric pressure: 29,1 "Hg
Solar ultraviolet index: 1,3 (Low)
Visibility: 100%

10:00 AMmorningfrom 10:00 AM to 10:59 AMSnow and rain +36 °FThe air temperature will not changeprecipitation is expectedSnow and rain
northern
Wind: fresh breeze, northern, at a speed of 18 mph
Wind gusts: 31 mph
Relative humidity: 55%
Cloudiness: 80%
Atmospheric pressure: 29,1 "Hg
Solar ultraviolet index: 2,6 (Low)
Visibility: 100%

11:00 AMmorningfrom 11:00 AM to 11:59 AMCloudy sky +37 °FThe air temperature will riseCloudy sky
northern
Wind: fresh breeze, northern, at a speed of 18 mph
Wind gusts: 31 mph
Relative humidity: 55%
Cloudiness: 92%
Atmospheric pressure: 29,1 "Hg
Solar ultraviolet index: 3,9 (Moderate)
Visibility: 95%

12:00 PMafternoonfrom 12:00 PM to 12:59 PMSnow and rain +37 °FThe air temperature will not changeprecipitation is expectedSnow and rain
northern
Wind: fresh breeze, northern, at a speed of 18 mph
Wind gusts: 31 mph
Relative humidity: 62%
Cloudiness: 93%
Atmospheric pressure: 29,2 "Hg
Precipitations: 0,028 inch
Solar ultraviolet index: 4,8 (Moderate)
Visibility: 90%

01:00 PMafternoonfrom 01:00 PM to 01:59 PMLight rain +37 °FThe air temperature will not changeprecipitation is expectedLight rain
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 29 mph
Relative humidity: 54%
Cloudiness: 98%
Atmospheric pressure: 29,2 "Hg
Precipitations: 0,008 inch
Solar ultraviolet index: 5 (Moderate)
Visibility: 80%

02:00 PMafternoonfrom 02:00 PM to 02:59 PMOvercast sky +39 °FThe air temperature will riseOvercast sky
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 31 mph
Relative humidity: 45%
Cloudiness: 75%
Atmospheric pressure: 29,2 "Hg
Precipitations: 0,004 inch
Solar ultraviolet index: 4,1 (Moderate)
Visibility: 100%

03:00 PMafternoonfrom 03:00 PM to 03:59 PMCloudy sky +39 °FThe air temperature will not changeCloudy sky
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 29 mph
Relative humidity: 41%
Cloudiness: 76%
Atmospheric pressure: 29,2 "Hg
Solar ultraviolet index: 3,2 (Moderate)
Visibility: 100%

04:00 PMafternoonfrom 04:00 PM to 04:59 PMCloudy sky +39 °FThe air temperature will not changeCloudy sky
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 27 mph
Relative humidity: 40%
Cloudiness: 92%
Atmospheric pressure: 29,2 "Hg
Solar ultraviolet index: 2 (Low)
Visibility: 100%

05:00 PMafternoonfrom 05:00 PM to 05:59 PMCloudy sky +39 °FThe air temperature will not changeCloudy sky
northern
Wind: moderate breeze, northern, at a speed of 16 mph
Wind gusts: 25 mph
Relative humidity: 37%
Cloudiness: 98%
Atmospheric pressure: 29,2 "Hg
Solar ultraviolet index: 1 (Low)
Visibility: 100%

06:00 PMeveningfrom 06:00 PM to 06:59 PMCloudy sky +37 °FThe air temperature will go downCloudy sky
northern
Wind: moderate breeze, northern, at a speed of 13 mph
Wind gusts: 25 mph
Relative humidity: 34%
Cloudiness: 59%
Atmospheric pressure: 29,2 "Hg
Solar ultraviolet index: 0,3 (Low)
Visibility: 100%

07:00 PMeveningfrom 07:00 PM to 07:59 PMCloudy sky +36 °FThe air temperature will go downCloudy sky
northern
Wind: gentle breeze, northern, at a speed of 11 mph
Wind gusts: 22 mph
Relative humidity: 40%
Cloudiness: 95%
Atmospheric pressure: 29,2 "Hg
Visibility: 84%

08:00 PMeveningfrom 08:00 PM to 08:59 PMOvercast sky +30 °FThe air temperature will go downOvercast sky
northeast
Wind: gentle breeze, northeast, at a speed of 11 mph
Wind gusts: 20 mph
Relative humidity: 63%
Cloudiness: 95%
Atmospheric pressure: 29,3 "Hg
Precipitations: 0,004 inch
Visibility: 100%

09:00 PMeveningfrom 09:00 PM to 09:59 PMCloudy sky +30 °FThe air temperature will not changeCloudy sky
eastern
Wind: gentle breeze, eastern, at a speed of 9 mph
Wind gusts: 18 mph
Relative humidity: 72%
Cloudiness: 84%
Atmospheric pressure: 29,3 "Hg
Visibility: 100%

10:00 PMeveningfrom 10:00 PM to 10:59 PMCloudy sky +28 °FThe air temperature will go downCloudy sky
eastern
Wind: light breeze, eastern, at a speed of 7 mph
Wind gusts: 16 mph
Relative humidity: 71%
Cloudiness: 66%
Atmospheric pressure: 29,3 "Hg
Visibility: 100%

11:00 PMeveningfrom 11:00 PM to 11:59 PMCloudy sky +28 °FThe air temperature will not changeCloudy sky
southeast
Wind: light breeze, southeast, at a speed of 4 mph
Wind gusts: 7 mph
Relative humidity: 73%
Cloudiness: 61%
Atmospheric pressure: 29,3 "Hg
Visibility: 100%

weather in Algonquintemperature in Algonquinhourly weather forecast in Algonquinweather in Algonquin tomorrowweather in Algonquin for 3 daysweather in Algonquin for 5 daysweather in Algonquin for a weeksunrise and sunset in Algonquinrising and setting of the Moon in Algonquincurrent time in Algonquin
see extended and detailed weather forecast in Algonquin

Temperature trend on the chart

DateTemperature,°F3736373637373928342828272825283030Temperature,°FApparent Temperature07.4 00:0007.4 01:0007.4 02:0007.4 03:0007.4 04:0007.4 05:0007.4 06:0007.4 07:0007.4 08:0007.4 09:0007.4 10:0007.4 11:0007.4 12:0007.4 13:0007.4 14:0007.4 15:0007.4 16:0007.4 17:0007.4 18:0007.4 19:0007.4 20:0007.4 21:0007.4 22:0007.4 23:002025303540

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Some useful data

Country:USA
Country Phone Code:+1
Location:State of Illinois
District:McHenry County
The name of the city or village:Algonquin
Time Zone:America/Chicago, GMT -5. Summer Time (+1 hour)
Coordinates:Latitude: 42°9'56" N; Longitude: 88°17'39" W;
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Weather forecast in Algonquin, McHenry County, State of Illinois, USA today

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On the ground:
Leaves and small twigs in constant motion; wind extends light flag.
On the sea:
Large wavelets. Crests begin to break. Foam of glassy appearance. Perhaps scattered white horses.
On the ground:
Raises dust and loose paper; small branches are moved.
On the sea:
Small waves, becoming larger; fairly frequent white horses.
A UV index reading of 0 to 2 means low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
On the ground:
Small trees in leaf begin to sway; crested wavelets form on inland waters.
On the sea:
Moderate waves, taking a more pronounced long form; many white horses are formed.
A UV index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. Stay in shade near midday when the sun is strongest. If outdoors, wear sun protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.
On the ground:
Wind felt on face; leaves rustle; ordinary vanes moved by wind.
On the sea:
Small wavelets, still short, but more pronounced. Crests have a glassy appearance and do not break.
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