Upper Newport Bay Weather Forecast

    • 45
    • 71

    Becoming Sunny

    • 48
    • 72

    Partly Sunny

    • 50
    • 70

    Mostly Cloudy

    • 51
    • 72

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 74

    Mostly Cloudy

Today 26 Jan Orange County Coastal

Partly cloudy in the morning. Becoming mostly sunny. Highs 66 to 69 at the Beaches to 70 farther inland and near higher coastal Terrain. Light Winds becoming west 10 Mph in the afternoon.

Tonight 26 Jan Orange County Coastal

Mostly clear. Lows 45 to 48. Light Winds.

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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 12 January, 2026

    47.6 °F

  • Average January

    61.4 °F

  • Highest 14 January, 2026

    87.7 °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

    73.4 °F
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