Thomas F. Riley Wilderness Park Weather Forecast

    • 69
    • 98

    Hot

    • 66
    • 91

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

Today 10 Sep Orange County Inland

Mostly sunny. Highs 91 to 94 towards the coast to 97 to 101 farther inland. Areas of Winds south to 10 Mph.

Tonight 10 Sep Orange County Inland

Mostly clear. Lows 68 to 72. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Thomas F. Riley Wilderness Park Temperature Statistics

September Temperature

John Wayne-Orange County Airport (16.8 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    76.3 °F

  • Highest 8 September, 2026

    98.1 °F

Climate (2021–2026)

John Wayne-Orange County Airport (16.8 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.8 °F
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