Sand Canyon Reservoir Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 58
    • 83

    Patchy Fog

    • 59
    • 84

    Partly Sunny

    • 58
    • 83

    Partly Sunny

Today 23 Mar Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 71 to 74 at the Beaches to 76 to 80 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 23 Mar Orange County Coastal

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows around 57. Areas of Winds south to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sand Canyon Reservoir Temperature Statistics

March Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    69.4 °F

  • Highest 17 March, 2026

    95.6 °F

Climate (2021–Present)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    73.7 °F
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