Park Santiago Weather Forecast

    • 65
    • 83

    Increasing Clouds

    • 64
    • 81

    Becoming Sunny

    • 64
    • 80

    Partly Sunny

    • 63
    • 80

    Mostly Sunny

    • 64
    • 81

    Sunny

    • 64
    • 82

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

Today 14 Sep Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs around 81 towards the coast to 83 to 86 farther inland. Areas of Winds south 10 Mph.

Tonight 14 Sep Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 58 to 66. Areas of Winds south 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Park Santiago Temperature Statistics

September Temperature

John Wayne-Orange County Airport (5.6 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    78.5 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (5.6 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    73.8 °F
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