Modjeska Weather Forecast

    • 65
    • 80

    Becoming Sunny

    • 65
    • 79

    Partly Sunny

    • 64
    • 80

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

Today 15 Sep Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 78 to 82. Areas of Winds south 10 Mph.

Tonight 15 Sep Orange County Inland

Partly cloudy. Lows 56 to 65. Areas of Winds south 10 Mph in the evening becoming light.

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Modjeska Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 2 September, 2026

    63.6 °F

  • Average September

    79.6 °F

  • Highest 9 September, 2026

    108.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    76.9 °F
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