Peters Canyon Reservoir Weather Forecast

    • 67
    • 93

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 64
    • 84

    Slight Chance Rain Showers

    • 66
    • 84

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

Today 29 Aug Orange County Inland

Mostly sunny. Highs around 90 towards the coast to 95 farther inland. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 29 Aug Orange County Inland

Mostly clear. Lows 64 to 70. Areas of Winds southwest 10 Mph in the evening becoming light.

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Peters Canyon Reservoir Temperature Statistics

August Temperature

John Wayne-Orange County Airport (8.7 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    77.4 °F

  • Highest 23 August, 2026

    93.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (8.7 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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