Channel Key - West Side Weather Forecast

    • 79
    • 86

    Increasing Clouds

    • 78
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers

    • 80
    • 88

    Rain Showers

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

Today 27 Sep Monroe Lower Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

Tonight 27 Sep Monroe Lower Keys

Mostly cloudy. Lows in the upper 70s. Northwest Winds near 5 Mph, becoming light and variable.

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  • Temperature Real-Time

Channel Key - West Side Temperature Statistics

September Temperature

Key West Naval Air Station (3.1 miles)

  • Lowest 17 September, 2026

    77 °F

  • Average September

    84.7 °F

  • Highest 12 September, 2026

    91.9 °F

Climate (2021–2026)

Key West Naval Air Station (3.1 miles)

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  • Average Low 2021–2026

    77.3 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.5 °F
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