Round Key Weather Forecast

    • 81
    • 88

    Partly Sunny

    • 80
    • 87

    Slight Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

    • 80
    • 89

    Chance Thunderstorms

    • 80
    • 89

    Thunderstorms Likely

    • 80
    • 88

    Thunderstorms Likely

Today 23 Jun Coastal Collier County

Mostly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph, becoming southwest this afternoon. Heat index Values up to 107.

Tonight 23 Jun Coastal Collier County

Partly cloudy in the Evening, then clearing. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph, becoming north after midnight. Heat index Values up to 105 early.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Key Temperature Statistics

June Temperature

Naples, Naples Municipal Airport (26.1 miles)

  • Lowest 6 June, 2026

    70.6 °F

  • Average June

    83.9 °F

  • Highest 8 June, 2026

    95.6 °F

Climate (2021–2026)

Naples, Naples Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    69.3 °F

  • Average 2021–2026

    77 °F

  • Average High 2021–2026

    85.2 °F
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