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Lala’s stormy close encounter with Hawaii to last into Sunday night. See the latest.

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Grayslake, IL Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

86°

RealFeel® 92°

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.

49%

Showers

RealFeel Shade™90°

Heat Index94°

WindWNW 10 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts16 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling11000 ft

4 PM

85°

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.

49%

Cloudy

RealFeel Shade™89°

Heat Index92°

WindWNW 10 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts17 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

83°

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.

22%

Cloudy

RealFeel Shade™87°

Heat Index89°

WindWNW 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts16 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19800 ft

6 PM

82°

RealFeel® 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.

22%

Cloudy

RealFeel Shade™86°

Heat Index86°

WindNW 9 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts15 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling24900 ft

7 PM

79°

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.

15%

Cloudy

RealFeel Shade™82°

Heat Index80°

WindNW 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

77°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Partly cloudy

WindNW 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Partly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Partly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

71°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Partly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Grayslake

AccuWeather's hourly forecast for Grayslake provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 92°, showers with a 49% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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