Westin Key West Resort and Marina Weather Forecast

    • 83
    • 92

    Chance Thunderstorms

    • 83
    • 91

    Chance Thunderstorms

    • 83
    • 92

    Chance Rain Showers

    • 83
    • 92

    Chance Rain Showers

    • 83
    • 92

    Chance Rain Showers

    • 82
    • 91

    Chance Rain Showers

Today 20 Aug Monroe Lower Keys

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. West to northwest Winds near 10 Mph, becoming west and increasing to 10 to 15 Mph. Chance of rain 30 percent.

Tonight 20 Aug Monroe Lower Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. West Winds 10 to 15 Mph. Chance of rain 30 percent.

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Westin Key West Resort and Marina Temperature Statistics

August Temperature

Key West International Airport (2.5 miles)

  • Lowest 8 August, 2025

    75.7 °F

  • Average August

    86.6 °F

  • Highest 1 August, 2025

    93.7 °F

Climate (2020–Present)

Key West International Airport (2.5 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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