Norwalk Weather Forecast

    • 68
    • 85

    Increasing Clouds

    • 68
    • 85

    Gradual Clearing

    • 67
    • 87

    Partly Sunny

    • 68
    • 87

    Partly Sunny

    • 69
    • 90

    Partly Sunny

    • 69
    • 91

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

Today 14 Aug Los Angeles County Inland Coast including Downtown Los Angeles

Cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.

Tonight 14 Aug Los Angeles County Inland Coast including Downtown Los Angeles

Mostly cloudy. Lows in the mid 60s.

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Norwalk Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (5.6 miles)

  • Lowest 5 August, 2026

    67.6 °F

  • Average August

    80.1 °F

  • Highest 8 August, 2026

    97.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    76.8 °F
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