Sand Canyon Reservoir Weather Forecast

    • 55
    • 78

    Increasing Clouds

    • 53
    • 75

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 51
    • 70

    Mostly Cloudy

    • 50
    • 68

    Mostly Cloudy

Today 17 Jan Orange County Coastal

Partly cloudy in the morning. Becoming mostly sunny. Highs 74 to 79. Light Winds.

Tonight 17 Jan Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. Lows 52 to 55. Areas of Winds northeast 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sand Canyon Reservoir Temperature Statistics

January Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 8 January, 2026

    48 °F

  • Average January

    60.6 °F

  • Highest 14 January, 2026

    82 °F

Climate (2021–Present)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    73.3 °F
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