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McHenry, IL

57°F
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Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, September 18

Current Weather

6:29 AM

57°F
Clear
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel®
58°
Wind
E 1 mph
Wind Gusts
2 mph
Humidity
99%
Indoor Humidity
67% (Slightly Humid)
Dew Point
57° F
Pressure
↓ 30.06 in
Cloud Cover
0%
Visibility
2 mi
Cloud Ceiling
40000 ft

Day

9/18
88°Hi
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Very warm with intervals of clouds and sunshine

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™8 (Bright)

WindSE 6 mph

Wind Gusts16 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover46%

Morning

Afternoon

Night

9/18
60°Lo
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindENE 6 mph

Wind Gusts13 mph

Probability of Precipitation9%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Evening

Overnight

Sun & Moon

12 hrs 22 mins
Rise 6:36 AM
Set 6:58 PM
Waning Crescent
Rise 3:02 AM
Set 5:44 PM

Temperature History

9/18
High
Low
Forecast
88°
60°
Average
72°
49°
Last Year
85°
45°

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World North America United States Illinois McHenry

Weather Near McHenry:

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