Tank Island Weather Forecast

    • 69
    • 78

    Partly Sunny

    • 67
    • 79

    Mostly Sunny

    • 62
    • 76

    Slight Chance Rain Showers

    • 62
    • 68

    Mostly Sunny

    • 64
    • 69

    Mostly Sunny

    • 66
    • 72

    Mostly Sunny

Today 28 Dec Monroe Lower Keys

Mostly clear. Highs in the upper 70s. Lows in the upper 60s.

Tonight 28 Dec Monroe Lower Keys

Mostly clear. Highs in the upper 70s. Lows in the upper 60s.

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Tank Island Temperature Statistics

December Temperature

Key West International Airport (3.7 miles)

  • Lowest 11 December, 2025

    66 °F

  • Average December

    74.5 °F

  • Highest 7 December, 2025

    82 °F

Climate (2020–Present)

Key West International Airport (3.7 miles)

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  • Average Low 2020–2025

    75.6 °F

  • Average 2020–2025

    79.6 °F

  • Average High 2020–2025

    83.9 °F
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