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Polar air to bring October-like chill to 250 million in central, eastern US. Get the forecast Chevron right
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Altadena, CA

69°F
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Altadena

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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

5 AM

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

WindNNE 4 mph

Air QualityPoor

Wind Gusts6 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

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

WindNNE 2 mph

Air QualityPoor

Wind Gusts7 mph

Humidity58%

Indoor Humidity58% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™73°

WindNE 2 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts6 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindNW 2 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts4 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

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
Sunny

RealFeel Shade™80°

WindSW 4 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts5 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

86°
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.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™84°

WindSW 5 mph

Air QualityPoor

Max UV Index4.0 (Moderate)

Wind Gusts6 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

89°
RealFeel® 94°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™87°

WindSW 6 mph

Air QualityFair

Max UV Index5.5 (High)

Wind Gusts7 mph

Humidity36%

Indoor Humidity36% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

92°
RealFeel® 98°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™89°

WindSW 7 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts9 mph

Humidity33%

Indoor Humidity33% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

94°
RealFeel® 100°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™91°

WindSW 7 mph

Air QualityFair

Max UV Index8.5 (Very High)

Wind Gusts10 mph

Humidity30%

Indoor Humidity30% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

96°
RealFeel® 100°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™93°

WindSW 8 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts13 mph

Humidity28%

Indoor Humidity28% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

96°
RealFeel® 99°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™94°

WindSW 8 mph

Air QualityFair

Max UV Index5.5 (High)

Wind Gusts13 mph

Humidity27%

Indoor Humidity27% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

95°
RealFeel® 96°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™92°

WindSW 8 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts13 mph

Humidity28%

Indoor Humidity28% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

93°
RealFeel® 93°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™90°

WindSW 8 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts13 mph

Humidity29%

Indoor Humidity29% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
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.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™89°

WindSW 7 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts9 mph

Humidity31%

Indoor Humidity31% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

89°
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
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

RealFeel Shade™87°

WindWSW 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
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
Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

WindWSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 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 clear
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

WindSE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

10:00 AM Monday - 6:00 PM Tuesday

WindSE 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

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