Leffingwell Ranch Park Weather Forecast

    • 56
    • 68

    Decreasing Clouds

    • 56
    • 69

    Partly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 77

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

Today 27 May Los Angeles County San Gabriel Valley

Cloudy with patchy drizzle in the Morning, becoming partly cloudy with a slight chance of Showers in the afternoon. Highs in the mid 60s to around 70. Chance of precipitation 20 percent.

Tonight 27 May Los Angeles County San Gabriel Valley

Partly cloudy in the evening then cloudy. Lows in the lower to mid 50s.

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Leffingwell Ranch Park Temperature Statistics

May Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 6 May, 2026

    55.7 °F

  • Average May

    67.7 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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