Fleming Key Weather Forecast

    • 73
    • 82

    Mostly Sunny

    • 73
    • 82

    Mostly Sunny

    • 72
    • 81

    Breezy

    • 73
    • 81

    Breezy

    • 74
    • 79

    Breezy

    • 74
    • 80

    Breezy

Today 27 Mar Monroe Lower Keys

Partly cloudy in the Morning, then becoming mostly sunny. A slight chance of Showers. Highs in the lower 80s. Northeast to east Winds 10 to 15 Mph. Chance of rain 10 percent.

Tonight 27 Mar Monroe Lower Keys

Mostly clear with a slight chance of Showers. Lows in the lower 70s. Northeast to east Winds 10 to 15 Mph, becoming northeast and decreasing to 5 to 10 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fleming Key Temperature Statistics

March Temperature

Key West International Airport (3.1 miles)

  • Lowest 18 March, 2026

    63.6 °F

  • Average March

    77 °F

  • Highest 13 March, 2026

    86.6 °F

Climate (2021–Present)

Key West International Airport (3.1 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    79.5 °F

  • Average High 2021–2026

    83.9 °F
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