Islamorada Weather Forecast

    • 84
    • 89

    Chance Rain Showers

    • 84
    • 89

    Chance Rain Showers

    • 82
    • 89

    Chance Rain Showers

    • 83
    • 88

    Chance Rain Showers

    • 83
    • 88

    Slight Chance Thunderstorms

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    Slight Chance Thunderstorms

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    Slight Chance Thunderstorms

Today 20 Aug Monroe Upper Keys

Mostly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the lower 90s. Variable Winds near 5 Mph Early, becoming west to northwest and increasing to 5 to 10 Mph. Chance of rain 30 percent.

Tonight 20 Aug Monroe Upper Keys

Mostly clear with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 80s. West Winds near 10 Mph, becoming southwest to west. Chance of rain 30 percent.

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  • Temperature Real-Time

Islamorada Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (29.2 miles)

  • Lowest 7 August, 2025

    75.7 °F

  • Average August

    86.1 °F

  • Highest 6 August, 2025

    92.6 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (29.2 miles)

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  • Average Low 2020–2025

    75.4 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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