Big Marco River - Marco Weather Forecast

    • 76
    • 84

    Thunderstorms Likely

    • 75
    • 87

    Thunderstorms Likely

    • 75
    • 89

    Thunderstorms Likely

    • 76
    • 88

    Chance Thunderstorms

    • 77
    • 87

    Chance Thunderstorms

    • 78
    • 86

    Chance Thunderstorms

Today 17 Sep Coastal Collier County

Mostly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 17 Sep Coastal Collier County

Mostly cloudy. Showers and Thunderstorms Likely, mainly this evening. Lows in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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Big Marco River - Marco Temperature Statistics

September Temperature

Naples, Naples Municipal Airport (12.4 miles)

  • Lowest 14 September, 2025

    73.9 °F

  • Average September

    82.2 °F

  • Highest 11 September, 2025

    91.9 °F

Climate (2020–Present)

Naples, Naples Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    76.9 °F

  • Average High 2020–2025

    85 °F
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