Sycamore Park Weather Forecast

    • 68
    • 89

    Patchy Fog

    • 69
    • 91

    Partly Sunny

    • 69
    • 91

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

Today 18 Aug Orange County Inland

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 83 to 86 towards the coast to 89 to 92 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 18 Aug Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 64 to 69. Areas of Winds southwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sycamore Park Temperature Statistics

August Temperature

John Wayne-Orange County Airport (11.2 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    76.5 °F

  • Highest 9 August, 2026

    89.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (11.2 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.7 °F
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