East Key - Southern End Weather Forecast

    • 82
    • 89

    Rain Showers Likely

    • 84
    • 89

    Rain Showers Likely

    • 84
    • 89

    Mostly Sunny

    • 83
    • 89

    Slight Chance Thunderstorms

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Partly Sunny

    • 83
    • 89

    Slight Chance Thunderstorms

Today 14 Aug Monroe Upper Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs near 90. East to southeast Winds near 10 Mph, increasing to 10 to 15 Mph. Chance of rain 30 percent.

Tonight 14 Aug Monroe Upper Keys

Showers likely with a chance of Thunderstorms. Lows in the lower 80s. East to southeast Winds near 15 Mph. Chance of rain 60 percent.

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East Key - Southern End Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (32.9 miles)

  • Lowest 12 August, 2026

    77 °F

  • Average August

    86.3 °F

  • Highest 1 August, 2026

    91.7 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (32.9 miles)

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  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85 °F
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