Channel Key - West Side Weather Forecast

    • 79
    • 89

    Chance Thunderstorms

    • 78
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

    • 79
    • 88

    Rain Showers Likely

    • 80
    • 88

    Rain Showers Likely

    • 79
    • 88

    Rain Showers Likely

Today 16 Sep Monroe Lower Keys

Partly to mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds near 10 Mph. Chance of rain 40 percent.

Tonight 16 Sep Monroe Lower Keys

Partly to mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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Channel Key - West Side Temperature Statistics

September Temperature

Key West Naval Air Station (3.1 miles)

  • Lowest 4 September, 2025

    75.9 °F

  • Average September

    83.1 °F

  • Highest 1 September, 2025

    89.1 °F

Climate (2020–Present)

Key West Naval Air Station (3.1 miles)

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  • Average Low 2020–2025

    77.4 °F

  • Average 2020–2025

    81.9 °F

  • Average High 2020–2025

    86.7 °F
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