Newport Bay Entrance Weather Forecast

    • 66
    • 75

    Mostly Sunny

    • 71
    • 78

    Increasing Clouds

    • 70
    • 79

    Rain Showers Likely

    • 70
    • 79

    Partly Sunny

    • 70
    • 79

    Chance Rain Showers

    • 70
    • 79

    Partly Sunny

    • 69
    • 77

    Partly Sunny

Today 4 Sep Orange County Coastal

Partly cloudy this morning. Becoming sunny. Highs 73 to 76 at the Beaches to 76 to 80 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 4 Sep Orange County Coastal

Mostly clear. Lows 60 to 64. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newport Bay Entrance Temperature Statistics

September Temperature

John Wayne-Orange County Airport (5.6 miles)

  • Lowest 2 September, 2026

    64.9 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    79.6 °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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