Norwalk Weather Forecast

    • 56
    • 67

    Increasing Clouds

    • 59
    • 66

    Rain Showers

    • 57
    • 65

    Rain Showers

    • 55
    • 65

    Rain Showers

    • 48
    • 62

    Rain Showers Likely

    • 47
    • 62

    Slight Chance Rain Showers

    • 47
    • 65

    Mostly Sunny

Today 22 Dec Los Angeles County Inland Coast including Downtown Los Angeles

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

Tonight 22 Dec Los Angeles County Inland Coast including Downtown Los Angeles

Mostly cloudy. Lows in the mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (5.6 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    60.7 °F

  • Highest 10 December, 2025

    84.9 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.4 °F
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