Tank Island Weather Forecast

    • 84
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

    • 84
    • 89

    Chance Thunderstorms

    • 84
    • 90

    Mostly Sunny

    • 84
    • 89

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

Today 13 Aug Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs near 90. East to southeast Winds near 5 Mph, becoming light and variable. Chance of rain 20 percent.

Tonight 13 Aug Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower to mid 80s. Northeast to east Winds near 5 Mph, becoming east to southeast and increasing to near 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tank Island Temperature Statistics

August Temperature

Key West International Airport (3.7 miles)

  • Lowest 6 August, 2026

    74.6 °F

  • Average August

    86 °F

  • Highest 1 August, 2026

    93.7 °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

    79.7 °F

  • Average High 2021–2026

    84.1 °F
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