Tank Island Weather Forecast

    • 81
    • 87

    Chance Rain Showers

    • 82
    • 87

    Chance Rain Showers

    • 82
    • 87

    Chance Rain Showers

    • 82
    • 87

    Mostly Sunny

    • 83
    • 88

    Mostly Sunny

    • 83
    • 89

    Partly Sunny

Today 18 May Monroe Lower Keys

Partly sunny 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 18 May Monroe Lower Keys

Partly to mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Lows near 80. East to southeast Winds 15 to 20 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • 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 °F

  • Highest 8 May, 2026

    92.6 °F

Climate (2021–Present)

Key West International Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    79.6 °F

  • Average High 2021–2026

    83.9 °F
Get WillyWeather+ to remove ads