Key Haven - Stock Island Channel Weather Forecast

    • 78
    • 89

    Chance Rain Showers

    • 77
    • 89

    Chance Rain Showers

    • 77
    • 88

    Slight Chance Thunderstorms

    • 79
    • 88

    Chance Rain Showers

    • 79
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

Today 24 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. Northwest Winds near 5 Mph. Chance of rain 30 percent.

Tonight 24 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key Haven - Stock Island Channel Temperature Statistics

September Temperature

Key West International Airport (1.9 miles)

  • Lowest 20 September, 2026

    76.6 °F

  • Average September

    85.4 °F

  • Highest 12 September, 2026

    94.6 °F

Climate (2021–2026)

Key West International Airport (1.9 miles)

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  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.8 °F

  • Average High 2021–2026

    84.2 °F
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