Upper Newport Bay Weather Forecast

    • 60
    • 73

    Rain

    • 58
    • 70

    Rain Showers Likely

    • 57
    • 72

    Chance Rain Showers

    • 58
    • 75

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

Today 21 Oct Orange County Coastal

Partly cloudy. Highs 75 to 79.

Tonight 21 Oct Orange County Coastal

Showers. A slight chance of Thunderstorms this Evening, then scattered Thunderstorms overnight. Lows around 59. Areas of Winds south 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Newport Bay Temperature Statistics

October Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    77.9 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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