Key Colony Beach Weather Forecast

    • 80
    • 85

    Partly Sunny

    • 80
    • 85

    Mostly Sunny

    • 81
    • 85

    Mostly Sunny

    • 82
    • 86

    Partly Sunny

    • 82
    • 86

    Partly Sunny

    • 81
    • 86

    Mostly Cloudy

    • 80
    • 86

    Slight Chance Thunderstorms

Today 6 May Monroe Middle Keys

Mostly sunny. Highs in the mid to upper 80s. East to southeast Winds 5 to 10 Mph.

Tonight 6 May Monroe Middle Keys

Mostly clear. Lows in the upper 70s. Southeast Winds near 5 Mph Early, increasing to 5 to 10 Mph.

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Key Colony Beach Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (1.9 miles)

  • Lowest 4 May, 2026

    73 °F

  • Average May

    79.9 °F

  • Highest 2 May, 2026

    85.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (1.9 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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