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Weather for Altadena, CAAltadena, CA Weather & Current Conditions

91001 Weather (Altadena, CA)

Altadena, CA WeatherCurrent Conditions and Weather for Altadena, California
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Clear at Altadena (91001), temperature is 75°F24°C, dew point 66°F19°C, humidity 73%. Wind direction is SE at 10 mphat 16 km/h with visibility of 10 mi16 km. Barometric pressure is 29.84 in1010 mb. Last update: 8:39 pm.*
*Time is approximately 8:39 pm Wed, Sep 23, 2026. Time will be within 15 minutes of current local time. Altadena weather forecast data is updated every 15 minutes.

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Even when she slept, she tossed and turned and squirmed, like she was secretly a hurricane forced into a girl-body and told to exist as best she could among people who had no idea what it meant to secretly be a weather pattern. ―Seanan McGuire
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Altadena CA Weather - 11:39 pm

Altadena Weather Forecast

Weather forecast for: Altadena CA
Last Update: 8:22 pm PDT Sep 23, 2026
Tonight: Mostly clear, with a low around 67. East southeast wind around 5 mph becoming calm.
Thursday: Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.
Friday: Sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night: Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.
Saturday: Mostly sunny, with a high near 92.
Saturday Night: Mostly cloudy, with a low around 67.
Sunday: Mostly sunny, with a high near 82.
Sunday Night: Partly cloudy, with a low around 62.
Monday: A slight chance of showers after 11am. Sunny, with a high near 79.
Monday Night: Mostly clear, with a low around 60.
Tuesday: Sunny, with a high near 86.
Tuesday Night: Mostly clear, with a low around 64.
Wednesday: Sunny, with a high near 87.

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