Sand Canyon Reservoir Weather Forecast

    • 70
    • 91

    Breezy

    • 73
    • 95

    Breezy

    • 67
    • 91

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 58
    • 72

    Rain Showers Likely

    • 57
    • 69

    Rain Showers Likely

Today 15 Oct Orange County Coastal

Sunny, warmer. Highs 85 to 89 at the Beaches to 91 farther inland and near higher coastal Terrain. Areas of Winds northeast 15 to 25 Mph. Gusts to 35 Mph. Becoming 40 Mph this afternoon.

Tonight 15 Oct Orange County Coastal

Mostly clear. Lows 69 to 72. Areas of Winds northeast 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sand Canyon Reservoir Temperature Statistics

October Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 13 October, 2026

    59 °F

  • Average October

    78.5 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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