Newport Bay - Balboa Coves Weather Forecast

    • 72
    • 83

    Mostly Sunny

    • 70
    • 80

    Increasing Clouds

    • 67
    • 77

    Partly Sunny

    • 67
    • 76

    Mostly Sunny

    • 66
    • 76

    Mostly Sunny

    • 65
    • 75

    Mostly Sunny

    • 66
    • 75

    Mostly Sunny

Today 10 Sep Orange County Coastal

Mostly sunny. Highs 82 to 86 at the Beaches to 89 to 94 farther inland and near higher coastal Terrain. Areas of Winds south 10 Mph.

Tonight 10 Sep Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Lows around 70. Areas of Winds south 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    76.3 °F

  • Highest 8 September, 2026

    98.1 °F

Climate (2021–2026)

John Wayne-Orange County Airport (5.6 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.8 °F
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