Peters Canyon Regional Park Weather Forecast

    • 69
    • 81

    Chance Rain Showers

    • 63
    • 81

    Slight Chance Thunderstorms

    • 63
    • 82

    Mostly Sunny

    • 64
    • 80

    Slight Chance Rain Showers

    • 65
    • 83

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 63
    • 83

    Mostly Sunny

Today 18 Sep Orange County Inland

Mostly cloudy with Showers likely and a slight chance of Thunderstorms this Morning, then partly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs 81 to 85. Areas of Winds south 10 Mph. Chance of measurable precipitation 70 percent.

Tonight 18 Sep Orange County Inland

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 65 to 70. Areas of Winds southwest 10 Mph this evening becoming light. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

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Peters Canyon Regional Park Temperature Statistics

September Temperature

John Wayne-Orange County Airport (8.1 miles)

  • Lowest 12 September, 2025

    64.9 °F

  • Average September

    72.8 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

John Wayne-Orange County Airport (8.1 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.6 °F
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