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Lake Forest, IL

73°F
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Lake Forest

Illinois

73°
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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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1 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday

RealFeel Shade™71°

WindSSE 15 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts22 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility3 mi

Cloud Ceiling2000 ft

2 PM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday

RealFeel Shade™73°

WindSSE 16 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts24 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

78°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™74°

WindS 16 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts25 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™76°

WindS 16 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts27 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™75°

WindS 17 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts25 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling28000 ft

6 PM

77°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™73°

WindS 18 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling26100 ft

7 PM

75°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 11%
Chevron down
Intermittent clouds
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™71°

WindS 18 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts28 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24100 ft

8 PM

71°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindS 16 mph

Air QualityFair

Wind Gusts28 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling20800 ft

9 PM

69°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindS 17 mph

Air QualityFair

Wind Gusts28 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling17400 ft

10 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 39%
Chevron down
Cloudy
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindS 17 mph

Air QualityFair

Wind Gusts22 mph

Humidity78%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14000 ft

11 PM

65°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Flood Warning

4:22 AM Wednesday - 5:15 AM Saturday
alerts

Flood Warning

7:00 PM Wednesday - 5:15 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindSSW 16 mph

Air QualityFair

Wind Gusts21 mph

Humidity80%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling9800 ft

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 75° with a RealFeel® of 74°, intermittent clouds with a 3% 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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  • Joliet, IL
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