Whittier Narrows Dam County Recreational Area Weather Forecast

    • 55
    • 73

    Patchy Fog

    • 56
    • 74

    Patchy Fog

    • 53
    • 69

    Chance Rain Showers

    • 52
    • 64

    Mostly Cloudy

    • 52
    • 63

    Mostly Cloudy

    • 53
    • 72

    Mostly Sunny

Today 1 May Los Angeles County San Gabriel Valley

Low Clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 1 May Los Angeles County San Gabriel Valley

Partly cloudy in the evening then low Clouds and fog. Lows in the upper 40s to mid 50s.

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Whittier Narrows Dam County Recreational Area Temperature Statistics

May Temperature

El Monte (3.1 miles)

  • Lowest

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  • Average May

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Climate (2020–Present)

El Monte (3.1 miles)

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  • Average Low 2020–2025

    59.5 °F

  • Average 2020–2025

    70.4 °F

  • Average High 2020–2025

    77.2 °F
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