John Zimmerman Park Weather Forecast

    • 46
    • 63

    Increasing Clouds

    • 44
    • 61

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 50
    • 73

    Mostly Cloudy

Today 29 Jan Los Angeles County Inland Coast including Downtown Los Angeles

Sunny. Except for patchy morning low Clouds and fog. Highs in the lower 60s.

Tonight 29 Jan Los Angeles County Inland Coast including Downtown Los Angeles

Mostly clear in the evening then cloudy. Lows in the lower to mid 40s.

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John Zimmerman Park Temperature Statistics

January Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 14 January, 2025

    39.7 °F

  • Average January

    57.7 °F

  • Highest 23 January, 2025

    83.6 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.9 °F
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