Tank Island Weather Forecast

    • 78
    • 82

    Chance Rain Showers

    • 77
    • 82

    Rain Showers

    • 78
    • 81

    Chance Thunderstorms

    • 78
    • 82

    Slight Chance Thunderstorms

    • 78
    • 82

    Mostly Sunny

    • 77
    • 81

    Slight Chance Thunderstorms

    • 77
    • 81

    Mostly Sunny

Today 31 Oct Monroe Lower Keys

Mostly clear. Lows in the mid 70s. Highs in the lower to mid 80s.

Tonight 31 Oct Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Lows in the upper 70s. Northeast to east Winds near 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Tank Island Temperature Statistics

October Temperature

Key West International Airport (3.7 miles)

  • Lowest 22 October, 2026

    73.7 °F

  • Average October

    82.8 °F

  • Highest 9 October, 2026

    89.7 °F

Climate (2021–2026)

Key West International Airport (3.7 miles)

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  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.8 °F

  • Average High 2021–2026

    84.2 °F
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