Upper Newport Bay Weather Forecast

    • 42
    • 75

    Sunny

    • 43
    • 77

    Sunny

    • 43
    • 76

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 55
    • 74

    Patchy Fog

Today 13 Jan Orange County Coastal

Sunny. Highs 71 to 76. Areas of Winds northeast to 10 Mph becoming west 10 Mph in the afternoon.

Tonight 13 Jan Orange County Coastal

Clear. Lows around 53. Areas of Winds north to 10 Mph in the evening becoming light.

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Upper Newport Bay Temperature Statistics

January Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 8 January, 2026

    48 °F

  • Average January

    60.1 °F

  • Highest 10 January, 2026

    73 °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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