HTTP/1.1 200 OK Server: Apache X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'none'; style-src 'self' code.jquery.com *.arcgis.com cdn.jsdelivr.net 'unsafe-inline'; script-src-elem 'self' cdn.gov.cfigroup.com *.digitalgov.gov *.google-analytics.com *.arcgis.com code.jquery.com www.googletagmanager.com s.go-mpulse.net 'unsafe-inline'; img-src 'self' data: *.ncep.noaa.gov *.noaa.gov *.weather.gov *.arcgisonline.com *.arcgis.com maps.google.com; connect-src 'self' *.google-analytics.com *.arcgis.com opengeo.ncep.noaa.gov *.weather.gov; font-src 'self' cdn.jsdelivr.net; script-src 'unsafe-eval' 'unsafe-inline' Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000; includeSubdomains; preload; Access-Control-Allow-Origin: * Content-Type: text/html; charset=UTF-8 Cache-Control: max-age=900 Expires: Tue, 30 Jun 2026 04:44:48 GMT Date: Tue, 30 Jun 2026 04:29:48 GMT Content-Length: 26870 Connection: keep-alive National Weather Service
National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 34.18°N 118.14°W (Text-Only)
NWS Forecast for: Altadena CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Last Update: 8:27 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy early, then becoming cloudy, with a low around 55. South southwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Patchy Fog


  • Tuesday

    Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 69 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Tuesday
    Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53. South southwest wind around 5 mph.

    Low: 53 °F

    Patchy Fog


  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 54. South southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy


  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy


    • Tonight: Patchy fog after 11pm. Otherwise, partly cloudy early, then becoming cloudy, with a low around 55. South southwest wind around 5 mph becoming calm in the evening.

    Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south southwest around 5 mph in the afternoon.

    Tuesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53. South southwest wind around 5 mph.

    Wednesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    Wednesday Night: Mostly clear, with a low around 54. South southwest wind around 5 mph becoming calm in the evening.

    Thursday: Sunny, with a high near 78.

    Thursday Night: Partly cloudy, with a low around 55.

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.

    Friday Night: Partly cloudy, with a low around 57.

    Independence Day: Mostly sunny, with a high near 84.

    Saturday Night: Partly cloudy, with a low around 58.

    Sunday: Sunny, with a high near 84.

    Sunday Night: Partly cloudy, with a low around 58.

    Monday: Sunny, with a high near 85.


    Altadena CA
     34.18°N 118.14°W (Elev. 1253 ft)

    Visit your local NWS office at: https://www.weather.gov/lox