Shell Key Channel Weather Forecast

    • 82
    • 89

    Chance Thunderstorms

    • 82
    • 89

    Chance Thunderstorms

    • 83
    • 89

    Rain Showers Likely

    • 83
    • 88

    Thunderstorms Likely

    • 83
    • 87

    Thunderstorms Likely

    • 83
    • 88

    Rain Showers Likely

    • 84
    • 88

    Rain Showers Likely

Today 30 Aug Monroe Upper Keys

Partly sunny with a chance of Showers and Thunderstorms. Highs near 90. East to southeast Winds near 10 Mph, decreasing to 5 to 10 Mph. Chance of rain 50 percent.

Tonight 30 Aug Monroe Upper Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. East Winds near 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shell Key Channel Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (27.3 miles)

  • Lowest 12 August, 2026

    77 °F

  • Average August

    86.6 °F

  • Highest 1 August, 2026

    91.7 °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

    80.1 °F

  • Average High 2021–2026

    85.1 °F
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