Sage Park Weather Forecast

    • 63
    • 79

    Becoming Sunny

    • 65
    • 79

    Mostly Sunny

    • 67
    • 83

    Mostly Sunny

    • 66
    • 82

    Partly Sunny

    • 65
    • 80

    Partly Sunny

    • 65
    • 81

    Mostly Sunny

Today 17 Sep Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 79. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 17 Sep Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 55 to 63. Areas of Winds west to 10 Mph in the evening becoming light.

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Sage Park Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (3.1 miles)

  • Lowest 2 September, 2026

    63.6 °F

  • Average September

    78.8 °F

  • Highest 9 September, 2026

    108.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (3.1 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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