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Lake Forest, IL

71°F
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Lake Forest

Illinois

71°
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Lake Forest, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 AM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Wind Gusts6 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Wind Gusts6 mph

Humidity86%

Indoor Humidity85% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 6 mph

Wind Gusts6 mph

Humidity91%

Indoor Humidity85% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

67°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 5 mph

Wind Gusts6 mph

Humidity87%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 5 mph

Wind Gusts5 mph

Humidity87%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 5 mph

Wind Gusts5 mph

Humidity87%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

68°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™68°

WindNE 5 mph

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity86%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™69°

WindNNE 5 mph

Max UV Index1.2 (Low)

Wind Gusts6 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™71°

WindNE 6 mph

Max UV Index2.1 (Low)

Wind Gusts6 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™74°

WindNE 6 mph

Max UV Index3.3 (Moderate)

Wind Gusts7 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

77°
RealFeel® 83°
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 0%
Chevron down
Sunny

RealFeel Shade™76°

WindENE 7 mph

Max UV Index4.7 (Moderate)

Wind Gusts7 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

79°
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.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™77°

WindENE 7 mph

Max UV Index7.0 (High)

Wind Gusts9 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

80°
RealFeel® 88°
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 0%
Chevron down
Sunny

RealFeel Shade™78°

Heat Index81°

WindENE 8 mph

Max UV Index9.1 (Very High)

Wind Gusts12 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

81°
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 0%
Chevron down
Sunny

RealFeel Shade™79°

Heat Index82°

WindENE 8 mph

Max UV Index10.0 (Very High)

Wind Gusts14 mph

Humidity55%

Indoor Humidity55% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

81°
RealFeel® 88°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

Heat Index82°

WindENE 8 mph

Max UV Index9.1 (Very High)

Wind Gusts14 mph

Humidity53%

Indoor Humidity53% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

83°
RealFeel® 88°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™80°

Heat Index83°

WindENE 8 mph

Max UV Index7.0 (High)

Wind Gusts13 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

82°
RealFeel® 85°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

Heat Index82°

WindENE 8 mph

Max UV Index4.7 (Moderate)

Wind Gusts13 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

82°
RealFeel® 83°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

Heat Index82°

WindENE 8 mph

Max UV Index3.3 (Moderate)

Wind Gusts12 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

Heat Index81°

WindNE 7 mph

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

Heat Index80°

WindNE 7 mph

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindNE 6 mph

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 5 mph

Wind Gusts5 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 5 mph

Wind Gusts5 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNE 5 mph

Wind Gusts5 mph

Humidity73%

Indoor Humidity73% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Previous

Hourly Weather Forecast for Lake Forest

AccuWeather's hourly forecast for Lake Forest provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 67°, mostly clear with a 0% 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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