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Altadena, CA

85°F
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Altadena

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85°
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Altadena, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 PM

85°
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.
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rain drop 0%
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Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index85°

WindSW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33300 ft

9 PM

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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index83°

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

79°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

WindSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

WindSSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Altadena

AccuWeather's hourly forecast for Altadena provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 83°, 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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Weather Near Altadena:

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