Upper Newport Bay Weather Forecast

    • 53
    • 63

    Patchy Fog

    • 46
    • 61

    Partly Sunny

    • 47
    • 67

    Mostly Cloudy

    • 47
    • 68

    Mostly Sunny

    • 49
    • 68

    Mostly Cloudy

    • 50
    • 68

    Patchy Fog

Today 23 Jan Orange County Coastal

Partly cloudy in the morning. Becoming mostly sunny. Highs 61 to 65. Light Winds.

Tonight 23 Jan Orange County Coastal

Mostly clear in the evening. Becoming cloudy. Lows around 52. Light Winds becoming west 10 Mph overnight.

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  • Temperature Real-Time

Upper Newport Bay Temperature Statistics

January Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 8 January, 2026

    48 °F

  • Average January

    60.8 °F

  • Highest 14 January, 2026

    82 °F

Climate (2021–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    73.3 °F
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