Tank Island Weather Forecast

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    • 88

    Rain Showers

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    • 86

    Rain Showers

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    • 87

    Rain Showers Likely

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    • 88

    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

Today 17 Sep Monroe Lower Keys

Showers with a chance of Thunderstorms. Highs in the upper 80s. Northeast Winds 5 to 10 Mph, increasing to near 10 Mph. Chance of rain 80 percent.

Tonight 17 Sep Monroe Lower Keys

Showers with a chance of Thunderstorms. Lows in the upper 70s. East Winds increasing to 10 to 15 Mph. Chance of rain 80 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 4 September, 2025

    75 °F

  • Average September

    83.6 °F

  • Highest 11 September, 2025

    91 °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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