Helen Key Weather Forecast

    • 69
    • 74

    Mostly Sunny

    • 73
    • 76

    Mostly Sunny

    • 68
    • 76

    Partly Sunny

    • 60
    • 73

    Mostly Sunny

    • 64
    • 75

    Sunny

    • 66
    • 74

    Sunny

Today 14 Mar Coastal Collier County

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 14 Mar Coastal Collier County

Partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Helen Key Temperature Statistics

March Temperature

Naples, Naples Municipal Airport (18.6 miles)

  • Lowest 7 March, 2025

    49.6 °F

  • Average March

    68.2 °F

  • Highest 4 March, 2025

    82.7 °F

Climate (2020–Present)

Naples, Naples Municipal Airport (18.6 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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