Tank Island Weather Forecast

    • 82
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

    • 80
    • 86

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

Today 4 Oct Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 4 Oct Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows near 80. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tank Island Temperature Statistics

October Temperature

Key West International Airport (3.7 miles)

  • Lowest 1 October, 2026

    75 °F

  • Average October

    81.8 °F

  • Highest 2 October, 2026

    86 °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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