Southwest Florida International Airport Weather Forecast

    • 64
    • 82

    Increasing Clouds

    • 63
    • 83

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 60
    • 81

    Sunny

    • 58
    • 80

    Mostly Sunny

Today 20 Dec Coastal Lee

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph, becoming north in the afternoon.

Tonight 20 Dec Coastal Lee

Partly cloudy. Cooler with Lows in the upper 50s. North Winds 5 to 10 Mph.

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Southwest Florida International Airport Temperature Statistics

December Temperature

Fort Myers, Southwest Florida International Airport (0.6 miles)

  • Lowest 12 December, 2025

    51.1 °F

  • Average December

    69.9 °F

  • Highest 4 December, 2025

    84.9 °F

Climate (2020–Present)

Fort Myers, Southwest Florida International Airport (0.6 miles)

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  • Average Low 2020–2025

    67.5 °F

  • Average 2020–2025

    76 °F

  • Average High 2020–2025

    85.6 °F
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