Round Key Weather Forecast

    • 75
    • 84

    Increasing Clouds

    • 74
    • 84

    Mostly Sunny

    • 77
    • 84

    Partly Sunny

    • 77
    • 85

    Partly Sunny

    • 78
    • 86

    Partly Sunny

    • 76
    • 85

    Partly Sunny

    • 75
    • 86

    Slight Chance Thunderstorms

Today 6 May Coastal Collier County

Mostly sunny. Highs around 90. Southeast Winds around 5 Mph, becoming southwest with Gusts up to 20 Mph this afternoon.

Tonight 6 May Coastal Collier County

Mostly clear. Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming southeast after midnight.

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Round Key Temperature Statistics

May Temperature

Naples, Naples Municipal Airport (26.1 miles)

  • Lowest 4 May, 2026

    69.1 °F

  • Average May

    76.7 °F

  • Highest 2 May, 2026

    87.7 °F

Climate (2021–Present)

Naples, Naples Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    69.3 °F

  • Average 2021–2026

    76.9 °F

  • Average High 2021–2026

    85.2 °F
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