Altadena Weather Forecast

    • 52
    • 75

    Mostly Sunny

    • 51
    • 70

    Mostly Cloudy

    • 47
    • 61

    Chance Rain Showers

    • 49
    • 65

    Partly Sunny

    • 46
    • 58

    Chance Rain

    • 41
    • 59

    Mostly Sunny

    • 43
    • 63

    Mostly Sunny

Today 5 Dec Los Angeles County San Gabriel Valley

Low Clouds and patchy dense fog in the morning then sunny. Visibility one quarter mile or less in the morning. Highs in the lower to mid 70s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altadena Temperature Statistics

December Temperature

El Monte (8.7 miles)

  • Lowest 2 December, 2021

    50 °F
  • Average December

    62.9 °F
  • Highest 1 December, 2021

    78.8 °F

Climate (2010–Present)

El Monte (8.7 miles)

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  • Average Low 2010–Present

    60.5 °F
  • Average 2010–Present

    71.2 °F
  • Average High 2010–Present

    78.1 °F
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