Round Key Weather Forecast

    • 68
    • 76

    Mostly Sunny

    • 72
    • 77

    Mostly Sunny

    • 68
    • 77

    Chance Rain Showers

    • 56
    • 72

    Mostly Sunny

    • 59
    • 75

    Sunny

    • 62
    • 75

    Sunny

    • 59
    • 74

    Mostly Sunny

Today 14 Mar Coastal Collier County

Sunny. Near steady temperature around 80. Southwest Winds around 5 Mph.

Tonight 14 Mar Coastal Collier County

Mostly clear. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming east after midnight.

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Round Key Temperature Statistics

March Temperature

Naples, Naples Municipal Airport (26.1 miles)

  • Lowest 7 March, 2025

    49.6 °F

  • Average March

    67.9 °F

  • Highest 4 March, 2025

    82.7 °F

Climate (2020–Present)

Naples, Naples Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    69.5 °F

  • Average 2020–2025

    76.9 °F

  • Average High 2020–2025

    85 °F
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