Big Spanish Channel - Porpoise Key Weather Forecast

    • 72
    • 79

    Mostly Sunny

    • 72
    • 78

    Breezy

    • 74
    • 79

    Rain Showers

    • 73
    • 80

    Rain Showers

    • 74
    • 80

    Rain Showers

    • 74
    • 80

    Mostly Sunny

Today 26 Mar Monroe Lower Keys

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph, becoming north near 10 Mph this morning. Winds then becoming northeast 5 to 10 Mph this afternoon.

Tonight 26 Mar Monroe Lower Keys

Mostly clear. Lows in the lower 70s. Northeast Winds increasing to 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Spanish Channel - Porpoise Key Temperature Statistics

March Temperature

The Florida Keys - Marathon International Airport (18.6 miles)

  • Lowest 7 March, 2025

    59.6 °F

  • Average March

    73.3 °F

  • Highest 5 March, 2025

    82.7 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (18.6 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.3 °F
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