Boca Chica Key - Southwest End Weather Forecast

    • 82
    • 91

    Chance Thunderstorms

    • 83
    • 91

    Chance Thunderstorms

    • 83
    • 91

    Chance Thunderstorms

    • 84
    • 91

    Chance Thunderstorms

    • 84
    • 92

    Chance Thunderstorms

    • 83
    • 91

    Chance Thunderstorms

Today 5 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and Thunderstorms. Highs near 90. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 5 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boca Chica Key - Southwest End Temperature Statistics

September Temperature

Key West Naval Air Station (1.9 miles)

  • Lowest 2 September, 2026

    82.9 °F

  • Average September

    85.3 °F

  • Highest 1 September, 2026

    89.1 °F

Climate (2021–2026)

Key West Naval Air Station (1.9 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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