Garden Key Weather Forecast

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    • 86

    Rain Showers Likely

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    Rain Showers Likely

    • 82
    • 87

    Rain Showers Likely

    • 82
    • 87

    Rain Showers Likely

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    • 87

    Rain Showers Likely

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    • 87

    Rain Showers Likely

Today 20 Sep Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Highs in the upper 80s. South Winds near 5 Mph. Chance of rain 70 percent.

Tonight 20 Sep Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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Garden Key Temperature Statistics

September Temperature

Key West International Airport (70.2 miles)

  • Lowest 5 September, 2026

    78.7 °F

  • Average September

    85.8 °F

  • Highest 12 September, 2026

    94.6 °F

Climate (2021–2026)

Key West International Airport (70.2 miles)

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  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.8 °F

  • Average High 2021–2026

    84.2 °F
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