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Lake Forest, CA

90°F
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Lake Forest

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Lake Forest, CA Weather
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4 PM

91°
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.
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Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™88°

WindNW 7 mph

Air QualityPoor

Max UV Index3.0 (Moderate)

Wind Gusts12 mph

Humidity17%

Indoor Humidity17% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
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.
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rain drop 0%
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Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™85°

WindWNW 8 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts14 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
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 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™84°

WindNW 7 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts9 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

81°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 0%
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Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindNNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindNNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

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%
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Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindN 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindENE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States California Lake Forest

Weather Near Lake Forest:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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