Port Royal Weather Forecast

    • 75
    • 88

    Slight Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

    • 75
    • 85

    Thunderstorms Likely

    • 75
    • 84

    Thunderstorms Likely

    • 76
    • 87

    Thunderstorms Likely

    • 76
    • 87

    Chance Thunderstorms

Today 15 Sep Coastal Collier County

Sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 40 percent.

Tonight 15 Sep Coastal Collier County

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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Port Royal Temperature Statistics

September Temperature

Naples, Naples Municipal Airport (3.1 miles)

  • Lowest 12 September, 2025

    75.9 °F

  • Average September

    82.2 °F

  • Highest 11 September, 2025

    91.9 °F

Climate (2020–Present)

Naples, Naples Municipal Airport (3.1 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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