Newport Bay - Balboa Coves Weather Forecast

    • 68
    • 80

    Increasing Clouds

    • 69
    • 79

    Partly Sunny

    • 70
    • 81

    Partly Sunny

    • 70
    • 80

    Mostly Cloudy

    • 68
    • 78

    Partly Sunny

    • 68
    • 76

    Mostly Sunny

Today 23 Sep Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 79 to 82 at the Beaches to 84 to 88 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 23 Sep Orange County Coastal

Partly cloudy. Patchy fog overnight. Lows 64 to 68. Areas of Winds south 10 Mph in the evening becoming light.

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Newport Bay - Balboa Coves Temperature Statistics

September Temperature

John Wayne-Orange County Airport (5.6 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    76.7 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (5.6 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    73.8 °F
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