Upper Newport Bay Weather Forecast

    • 56
    • 76

    Increasing Clouds

    • 59
    • 78

    Partly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 56
    • 86

    Sunny

    • 57
    • 86

    Sunny

Today 14 Mar Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 71 to 74 at the Beaches to 75 to 80 farther inland and near higher coastal Terrain. Areas of Winds southeast to 10 Mph becoming south this afternoon.

Tonight 14 Mar Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. Patchy fog. Local visibility one quarter mile or less at Times. Lows around 53. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Newport Bay Temperature Statistics

March Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    65.6 °F

  • Highest 8 March, 2026

    90 °F

Climate (2021–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.6 °F
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