No Name Key - East Side Weather Forecast

    • 78
    • 90

    Rain Showers Likely

    • 79
    • 90

    Rain Showers Likely

    • 79
    • 91

    Rain Showers

    • 79
    • 90

    Rain Showers

    • 79
    • 90

    Rain Showers Likely

    • 79
    • 89

    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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No Name Key - East Side Temperature Statistics

September Temperature

The Florida Keys - Marathon International Airport (16.8 miles)

  • Lowest 4 September, 2026

    78.7 °F

  • Average September

    86.3 °F

  • Highest 1 September, 2026

    92.6 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (16.8 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    80.2 °F

  • Average High 2021–2026

    85.1 °F
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