Little Spanish Key Weather Forecast

    • 67
    • 74

    Breezy

    • 68
    • 74

    Breezy

    • 69
    • 75

    Mostly Sunny

    • 71
    • 77

    Mostly Sunny

    • 70
    • 77

    Mostly Sunny

    • 70
    • 77

    Mostly Sunny

Today 19 Mar Monroe Lower Keys

Partly sunny with a slight chance of Showers. Breezy with Highs in the mid 70s. North to northeast Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 19 Mar Monroe Lower Keys

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Showers. Breezy. Lows in the upper 60s. North to northeast Winds 15 to 20 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Little Spanish Key Temperature Statistics

March Temperature

The Florida Keys - Marathon International Airport (19.9 miles)

  • Lowest 1 March, 2026

    70.6 °F

  • Average March

    78.3 °F

  • Highest 6 March, 2026

    83.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (19.9 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85.1 °F
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