Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
High risk for severe weather in the central, eastern US. Get the forecast details. Chevron right
March megastorm: Blizzard, dangerous winds. Get the forecast. Chevron right

Altadena, CA

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Altadena

California

76°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Altadena, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
4
Extreme Heat Warning

Today's Weather

Sun, Mar 15

Mostly sunny and very warm Hi: 82°

Tonight: Clear to partly cloudy and warm Lo: 63°

Current Weather

12:56 PM

76°F
RealFeel® 84°
Sunny More Details
RealFeel Shade™ 74°
Wind S 3 mph
Wind Gusts 6 mph
Air Quality Fair

Looking Ahead

Record-breaking, early-season heat wave this week

Altadena Weather Radar

Altadena Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

1 PM 76°
rain drop 0%
2 PM 79°
rain drop 0%
3 PM 82°
rain drop 0%
4 PM 82°
rain drop 0%
5 PM 81°
rain drop 0%
6 PM 78°
rain drop 0%
7 PM 75°
rain drop 0%
8 PM 74°
rain drop 0%
9 PM 72°
rain drop 0%
10 PM 69°
rain drop 0%
11 PM 69°
rain drop 0%
12 AM 69°
rain drop 0%

10-Day Weather Forecast

Today

3/15

82° 63°

Mostly sunny and very warm

Night: Mainly clear and warm
0%

Mon

3/16

93° 67°

Hot

Clear and warm
0%

Tue

3/17

93° 66°

Hot

Mainly clear and warm
1%

Wed

3/18

96° 68°

Hot

Mainly clear and warm
1%

Thu

3/19

92° 68°

Hot

Clear and warm
2%

Fri

3/20

89° 60°

Sunny and very warm

Clear
3%

Sat

3/21

82° 56°

Partly sunny and not as warm

Partly cloudy
4%

Sun

3/22

75° 55°

Times of sun and clouds

Clear
0%

Mon

3/23

74° 54°

Mostly sunny

Clear
0%

Tue

3/24

76° 55°

Plenty of sun

Clear
0%

Sun & Moon

11 hrs 57 mins
Rise 7:03 AM
Set 7:00 PM
Waning Crescent
Rise 5:14 AM
Set 3:46 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Winter Weather

Strengthening March Megastorm to unleash powerful winds, blizzard

49 minutes ago

Severe Weather

High risk for severe weather to erupt in the central, eastern US

44 minutes ago

Climate

What to know about the potential for a super El Niño later this year

3 days ago

Weather Forecasts

Summerlike heat dome to send Southwest temperatures soaring past 100 F

6 hours ago

Severe Weather

Grapefruit-sized hailstone may set state record

4 days ago

 More Stories

Featured Stories

Weather News

Lightning strikes gas meter, sparking fire next to burn ban sign

2 days ago

Winter Weather

Nine states had their warmest winter ever recorded

4 days ago

Weather News

'Doomsday fish' rescued after washing ashore in Mexico

3 days ago

Recreation

'Quicksand alert' issued at National Park Service site

4 days ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

5 days ago
World North America United States California Altadena

Weather Near Altadena:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...