Tank Island Weather Forecast

    • 81
    • 87

    Chance Rain Showers

    • 82
    • 87

    Chance Rain Showers

    • 82
    • 87

    Slight Chance Thunderstorms

    • 83
    • 88

    Mostly Sunny

    • 83
    • 88

    Slight Chance Thunderstorms

    • 83
    • 89

    Chance Rain Showers

    • 83
    • 89

    Partly Sunny

Today 19 May Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Highs in the upper 80s. East Winds 15 to 20 Mph. Chance of rain 40 percent.

Tonight 19 May Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows near 80. East Winds near 15 Mph, decreasing to 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tank Island Temperature Statistics

May Temperature

Key West International Airport (3.7 miles)

  • Lowest 6 May, 2026

    76.6 °F

  • Average May

    85.1 °F

  • Highest 8 May, 2026

    92.6 °F

Climate (2021–Present)

Key West International Airport (3.7 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    79.6 °F

  • Average High 2021–2026

    83.9 °F
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