Shell Key Channel Weather Forecast

    • 82
    • 90

    Slight Chance Thunderstorms

    • 79
    • 89

    Chance Rain Showers

    • 79
    • 87

    Mostly Sunny

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 86

    Chance Thunderstorms

    • 80
    • 86

    Rain Showers Likely

    • 78
    • 85

    Rain Showers Likely

Today 11 Oct Monroe Upper Keys

Showers likely. Highs in the mid 80s. Chance of rain 70 percent.

Tonight 11 Oct Monroe Upper Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shell Key Channel Temperature Statistics

October Temperature

The Florida Keys - Marathon International Airport (27.3 miles)

  • Lowest 1 October, 2026

    76.6 °F

  • Average October

    84.6 °F

  • Highest 3 October, 2026

    88.6 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (27.3 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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