Round Key Weather Forecast

    • 66
    • 71

    Partly Sunny

    • 55
    • 72

    Chance Rain Showers

    • 54
    • 62

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

    • 54
    • 62

    Mostly Cloudy

    • 61
    • 68

    Slight Chance Rain Showers

Today 18 Jan Coastal Collier County

Partly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Jan Coastal Collier County

Cloudy with a 40 percent chance of Showers. Near steady temperature in the mid 60s. Southeast Winds 5 to 10 Mph.

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Round Key Temperature Statistics

January Temperature

Naples, Naples Municipal Airport (26.1 miles)

  • Lowest 8 January, 2025

    46.7 °F

  • Average January

    63.7 °F

  • Highest 13 January, 2025

    80.6 °F

Climate (2020–Present)

Naples, Naples Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    69.6 °F

  • Average 2020–2025

    76.9 °F

  • Average High 2020–2025

    85 °F
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