Newport Bay - Promontory Bay Weather Forecast

    • 61
    • 71

    Increasing Clouds

    • 63
    • 71

    Partly Sunny

    • 62
    • 71

    Mostly Cloudy

    • 61
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

Today 25 Jun Orange County Coastal

Mostly cloudy this morning. Becoming mostly sunny. Highs around 70 at the Beaches to 72 to 75 farther inland and near higher coastal Terrain. Areas of Winds southwest to 10 Mph becoming 10 to 15 Mph this afternoon.

Tonight 25 Jun Orange County Coastal

Partly cloudy this evening. Becoming cloudy. Lows 57 to 61. Areas of Winds west 10 Mph this evening becoming light.

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Newport Bay - Promontory Bay Temperature Statistics

June Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 21 June, 2026

    60.7 °F

  • Average June

    69 °F

  • Highest 12 June, 2026

    82.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
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