Mussel Cove Weather Forecast

    • 66
    • 72

    Rain Showers Likely

    • 66
    • 72

    Rain Showers Likely

    • 68
    • 71

    Slight Chance Thunderstorms

    • 66
    • 71

    Patchy Fog

    • 68
    • 72

    Mostly Cloudy

    • 69
    • 73

    Patchy Fog

    • 68
    • 72

    Mostly Sunny

Today 17 Sep Orange County Coastal

Partly cloudy this morning. Becoming mostly cloudy. Highs 75 to 78 at the Beaches to 79 to 83 farther inland and near higher coastal Terrain. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 17 Sep Orange County Coastal

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers. Lows 66 to 69. Areas of Winds west to 10 Mph this evening becoming light. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mussel Cove Temperature Statistics

September Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 12 September, 2025

    64.9 °F

  • Average September

    72.6 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

John Wayne-Orange County Airport (14.9 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.6 °F
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