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McHenry, IL

73°F
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McHenry

Illinois

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McHenry, IL Weather
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2 AM

72°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 45%
Chevron down
Mostly cloudy w/ showers
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindSSW 6 mph

Air QualityPoor

Wind Gusts13 mph

Humidity98%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling10000 ft

3 AM

69°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindSSW 6 mph

Air QualityPoor

Wind Gusts14 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

71°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 29%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindSSW 6 mph

Air QualityPoor

Wind Gusts14 mph

Humidity99%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

71°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 17%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindSSW 6 mph

Air QualityPoor

Wind Gusts14 mph

Humidity99%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

71°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 17%
Chevron down
Mostly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™76°

WindSSW 6 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts14 mph

Humidity99%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

73°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Mostly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™77°

WindSSW 6 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts14 mph

Humidity97%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

76°
RealFeel® 84°
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
rain drop 20%
Chevron down
Sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™81°

WindSSW 6 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts15 mph

Humidity90%

Indoor Humidity90% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

79°
RealFeel® 90°
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
rain drop 20%
Chevron down
Mostly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™84°

WindSSW 6 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts15 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

82°
RealFeel® 94°
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
rain drop 20%
Chevron down
Mostly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™87°

WindSSW 7 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts17 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

85°
RealFeel® 97°
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
rain drop 20%
Chevron down
Partly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™90°

WindSSW 8 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts17 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
RealFeel® 98°
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
rain drop 20%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™91°

WindSSW 9 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts16 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
RealFeel® 99°
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
rain drop 24%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™91°

WindSSW 10 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 99°
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
rain drop 32%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™92°

WindSSW 12 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts16 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover58%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
RealFeel® 99°
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
rain drop 32%
Chevron down
Partly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™93°

WindSSW 13 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts17 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

89°
RealFeel® 96°
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
rain drop 38%
Chevron down
Partly sunny
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™92°

WindSSW 14 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts18 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
RealFeel® 89°
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
rain drop 63%
Chevron down
Mostly cloudy w/ t-storms
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™88°

WindSW 13 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts17 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover56%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

6 PM

82°
RealFeel® 87°
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
rain drop 49%
Chevron down
Mostly cloudy
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™85°

WindSW 13 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts17 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

81°
RealFeel® 82°
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
rain drop 63%
Chevron down
Thunderstorms
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™82°

WindWSW 12 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 75%
Chevron down
Mostly cloudy w/ t-storms
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

RealFeel Shade™78°

WindWSW 10 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Rain0.36 in

Visibility2 mi

Cloud Ceiling2000 ft

9 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 75%
Chevron down
Mostly cloudy w/ t-storms
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.36 in

Visibility2 mi

Cloud Ceiling2000 ft

10 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

12:02 PM Monday - 12:00 AM Thursday

WindW 8 mph

Air QualityFair

Wind Gusts18 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling2000 ft

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World North America United States Illinois McHenry

Weather Near McHenry:

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