George Bellis Park Weather Forecast

    • 65
    • 77

    Becoming Sunny

    • 63
    • 78

    Mostly Cloudy

    • 62
    • 80

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 63
    • 81

    Mostly Sunny

Today 21 Jul Orange County Inland

Cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 74 to 78. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 21 Jul Orange County Inland

Mostly cloudy with patchy fog and drizzle overnight. Lows 57 to 65. Areas of Winds southwest 10 Mph this evening becoming light.

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George Bellis Park Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (1.2 miles)

  • Lowest 1 July, 2025

    60.7 °F

  • Average July

    72.7 °F

  • Highest 8 July, 2025

    89.7 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.8 °F
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