Buena Park Weather Forecast

    • 52
    • 82

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 50
    • 71

    Partly Sunny

    • 50
    • 70

    Partly Sunny

Today 10 Dec Orange County Inland

Mostly sunny. Highs around 80 towards the coast to 82 to 85 farther inland. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph in the morning becoming light.

Tonight 10 Dec Orange County Inland

Mostly clear. Lows 49 to 54. Light Winds.

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Buena Park Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (0.6 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    58.8 °F

  • Highest 7 December, 2025

    73.9 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (0.6 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66 °F

  • Average High 2020–2025

    76.4 °F
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