Marquesas Keys Weather Forecast

    • 83
    • 88

    Isolated Thunderstorms

    • 83
    • 88

    Rain Showers

    • 83
    • 88

    Rain Showers

    • 83
    • 88

    Rain Showers

    • 83
    • 89

    Rain Showers

    • 84
    • 88

    Rain Showers

Today 14 Aug Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. East to southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Aug Monroe Lower Keys

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

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  • Temperature Forecast NOAA

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Marquesas Keys Temperature Statistics

August Temperature

Key West International Airport (23 miles)

  • Lowest 8 August, 2025

    75.7 °F

  • Average August

    86.8 °F

  • Highest 1 August, 2025

    93.7 °F

Climate (2020–Present)

Key West International Airport (23 miles)

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  • Average Low 2020–2025

    75.6 °F

  • Average 2020–2025

    79.6 °F

  • Average High 2020–2025

    83.8 °F
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