Upper Newport Bay Weather Forecast

    • 42
    • 64

    Sunny

    • 47
    • 66

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 8 Jan Orange County Coastal

Mostly sunny. Highs around 63. Areas of Winds northwest 10 to 20 Mph. Gusts to 30 Mph. Becoming 35 Mph this afternoon.

Tonight 8 Jan Orange County Coastal

Mostly clear. Lows 43 to 46. Areas of Winds northeast 15 to 25 Mph with Gusts to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Newport Bay Temperature Statistics

January Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 5 January, 2026

    53.1 °F

  • Average January

    60.3 °F

  • Highest 2 January, 2026

    68 °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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