Altadena, California Weather
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Weather Forecast for Altadena, California : Los Angeles County
Issued: 1:32 pm PDT Sep 15, 2025 Latitude: 34.1897275 Longitude: -118.1311819 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Clear on Tonight Sunny on Tuesday Partly Sunny on Wednesday 70% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 10% chance of thunderstorms on Saturday Sunny on Sunday Sunny on Monday
Low: 63°F High: 95°F High: 93°F High: 85°F High: 83°F High: 88°F High: 89°F High: 90°F
Low: 65°F Low: 64°F Low: 62°F Low: 65°F Low: 65°F Low: 65°F  
Clear Sunny Partly Sunny Thunderstorms Thunderstorms Thunderstorms Sunny Sunny
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Current Conditions at
BURBANK - (KBUR)
79°
Clear
as of 7:53 PM PDST
Rel. Humidity: 57%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
VAN NUYS - (KVNY)
81°
Clear
as of 7:51 PM PDST
Rel. Humidity: 42%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
HAWTHORNE - (KHHR)
70°
Clear
as of 7:53 PM PDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 8 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
7 MPH
280° West
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 63. Calm wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
40% chance of thunderstorms Wednesday Night Wednesday Night... A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
30% chance of thunderstorms Thursday Night Thursday Night... A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 62.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 83.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 65.
10% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 65.
Sunny on Sunday Sunday... Sunny, with a high near 89.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 65.
Sunny on Monday Monday... Sunny, with a high near 90.
Current Radar Image


Sun Almanac for Altadena, California
Sunrise: 06:36 AM
Sunset: 6:59 PM
Civil Sunrise:06:11 AM
Civil Sunset: 7:24 PM
Nautical Sunrise: 05:42 AM
Nautical Sunset: 7:53 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 8:23 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.