Tank Island Weather Forecast

    • 84
    • 90

    Rain Showers Likely

    • 84
    • 90

    Chance Thunderstorms

    • 84
    • 90

    Chance Thunderstorms

    • 84
    • 90

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

    • 83
    • 90

    Rain Showers Likely

Today 10 Sep Monroe Lower Keys

Partly sunny with a chance of Showers and Thunderstorms. Highs near 90. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 10 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 80s. East to southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tank Island Temperature Statistics

September Temperature

Key West International Airport (3.7 miles)

  • Lowest 5 September, 2026

    78.7 °F

  • Average September

    86.3 °F

  • Highest 3 September, 2026

    91.7 °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

    84.1 °F
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