Upper Newport Bay Weather Forecast

    • 67
    • 81

    Patchy Fog

    • 68
    • 83

    Partly Sunny

    • 68
    • 88

    Partly Sunny

    • 69
    • 86

    Mostly Sunny

    • 68
    • 84

    Mostly Sunny

    • 67
    • 82

    Mostly Sunny

Today 29 Jul Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 74 to 78 at the Beaches to 80 to 84 farther inland and near higher coastal Terrain. Areas of Winds south 10 Mph.

Tonight 29 Jul Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 63 to 67. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Newport Bay Temperature Statistics

July Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 3 July, 2026

    62.7 °F

  • Average July

    74 °F

  • Highest 15 July, 2026

    86.6 °F

Climate (2021–2026)

John Wayne-Orange County Airport (2.5 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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