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How much longer will the record heat last in the Southwest? See the forecast. Chevron right

Altadena, CA

59°F
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Altadena

California

59°
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Altadena, CA Weather
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9 AM

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

RealFeel Shade™63°

WindS 5 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts5 mph

Humidity62%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling34000 ft

10 AM

68°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™66°

WindSSW 6 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts7 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
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™72°

WindSSW 7 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts8 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

81°
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 0%
Chevron down
Sunny

RealFeel Shade™79°

WindSSW 7 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts8 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

84°
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 0%
Chevron down
Sunny

RealFeel Shade™82°

WindSSW 7 mph

Air QualityFair

Max UV Index6.9 (High)

Wind Gusts8 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

86°
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 0%
Chevron down
Sunny

RealFeel Shade™83°

WindSW 8 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts9 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

88°
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 0%
Chevron down
Sunny

RealFeel Shade™85°

WindSW 8 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts12 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
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™84°

WindSW 8 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts12 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
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

RealFeel Shade™82°

WindSSW 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™79°

WindSSW 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

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

RealFeel Shade™76°

WindSSW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity58%

Indoor Humidity58% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity68%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity79%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

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