Whittier Narrows Dam County Recreational Area Weather Forecast

    • 48
    • 74

    Becoming Sunny

    • 49
    • 74

    Sunny

    • 51
    • 77

    Sunny

    • 53
    • 85

    Sunny

    • 51
    • 80

    Partly Sunny

    • 51
    • 75

    Mostly Sunny

Today 5 Mar Los Angeles County San Gabriel Valley

Areas of low Clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s.

Tonight 5 Mar Los Angeles County San Gabriel Valley

Clear. Lows in the mid 40s to around 50.

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Whittier Narrows Dam County Recreational Area Temperature Statistics

March Temperature

El Monte (3.1 miles)

  • Lowest 2 March, 2026

    57.2 °F

  • Average March

    71.2 °F

  • Highest 1 March, 2026

    84.2 °F

Climate (2021–Present)

El Monte (3.1 miles)

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  • Average Low 2021–2026

    59.6 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    77 °F
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