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Winter forecast 2025-26 calls for a snowy season for parts of the US. Get the details. Chevron right

McHenry, IL

68°F
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McHenry

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McHenry, IL Weather
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Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, January 2

Day

1/2
25°Hi
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Mostly cloudy and cold

Max UV Index2.0 (Low)

WindNNW 9 mph

Wind Gusts23 mph

Probability of Precipitation19%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover80%

Night

1/2
9°Lo
RealFeel® -5°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
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Mostly cloudy and very cold

WindNNE 13 mph

Wind Gusts23 mph

Probability of Precipitation9%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover83%

Sun & Moon

9 hrs 10 mins
Rise 8:22 AM
Set 5:32 PM
Waxing Gibbous
Rise 4:32 PM
Set 8:57 AM

Temperature History

1/2
High
Low
Forecast
25°
9°
Average
29°
14°
Last Year
29°
19°

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World North America United States Illinois McHenry

Weather Near McHenry:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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