La Mirada Creek Park Weather Forecast

    • 64
    • 86

    Mostly Sunny

    • 69
    • 88

    Chance Rain Showers

    • 68
    • 85

    Chance Rain Showers

    • 68
    • 90

    Mostly Sunny

    • 69
    • 90

    Slight Chance Rain Showers

    • 70
    • 92

    Partly Sunny

    • 68
    • 90

    Mostly Sunny

Today 4 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the morning then sunny. Highs in the lower to mid 80s.

Tonight 4 Sep Los Angeles County San Gabriel Valley

Mostly clear. Lows in the upper 50s to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mirada Creek Park Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (3.1 miles)

  • Lowest 2 September, 2026

    63 °F

  • Average September

    74.5 °F

  • Highest 1 September, 2026

    85.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.6 °F

  • Average High 2021–2026

    76.9 °F
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