Legg Lake Weather Forecast

    • 49
    • 79

    Mostly Sunny

    • 49
    • 76

    Increasing Clouds

    • 53
    • 78

    Mostly Sunny

    • 54
    • 81

    Sunny

    • 53
    • 80

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

Today 12 Dec Los Angeles County San Gabriel Valley

Sunny. Highs in the mid 70s to around 80.

Tonight 12 Dec Los Angeles County San Gabriel Valley

Mostly clear except for patchy low Clouds and fog after midnight. Fog after midnight. Fog locally dense with visibility one quarter mile or less. Lows in the upper 40s and 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Legg Lake Temperature Statistics

December Temperature

El Monte (3.7 miles)

  • Lowest 6 December, 2025

    46.4 °F

  • Average December

    68.8 °F

  • Highest 9 December, 2025

    84.2 °F

Climate (2020–Present)

El Monte (3.7 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    76.9 °F
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