Big Spanish Channel - Porpoise Key Weather Forecast

    • 84
    • 91

    Slight Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Mostly Sunny

    • 83
    • 90

    Chance Thunderstorms

Today 22 Jun Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. East to southeast Winds 5 to 10 Mph. Chance of rain 10 percent.

Tonight 22 Jun Monroe Lower Keys

Partly cloudy. Lows in the lower to mid 80s. East to southeast Winds near 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Spanish Channel - Porpoise Key Temperature Statistics

June Temperature

The Florida Keys - Marathon International Airport (18.6 miles)

  • Lowest 3 June, 2026

    74.6 °F

  • Average June

    84.2 °F

  • Highest 2 June, 2026

    90.6 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (18.6 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85 °F
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