Upper Newport Bay Weather Forecast

    • 58
    • 83

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 57
    • 74

    Partly Sunny

    • 55
    • 71

    Partly Sunny

Today 4 Apr Orange County Coastal

Mostly sunny this morning. Becoming partly cloudy. Warmer. Highs 77 to 81 at the Beaches to 83 to 87 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 4 Apr Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Lows around 55. Areas of Winds west to 10 Mph becoming southeast 10 Mph overnight.

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Upper Newport Bay Temperature Statistics

April Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 1 April, 2026

    61 °F

  • Average April

    64.2 °F

  • Highest 1 April, 2026

    71.1 °F

Climate (2021–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    73.7 °F
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