Key Largo Weather Forecast

    • 71
    • 83

    Partly Sunny

    • 72
    • 82

    Chance Rain Showers

    • 72
    • 83

    Rain Showers Likely

    • 75
    • 81

    Rain Showers Likely

    • 71
    • 80

    Chance Thunderstorms

    • 66
    • 77

    Chance Rain Showers

Today 12 Mar Monroe Upper Keys

Partly sunny with a slight chance of Showers. Highs in the lower to mid 80s. Southeast to south Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Mar Monroe Upper Keys

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers. Lows in the lower to mid 70s. Southwest to west Winds near 5 Mph, becoming northwest to north. Chance of rain 30 percent.

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  • Temperature Real-Time

Key Largo Temperature Statistics

March Temperature

Homestead Air Reserve Base (28.6 miles)

  • Lowest 1 March, 2026

    67.5 °F

  • Average March

    77 °F

  • Highest 1 March, 2026

    83.5 °F

Climate (2021–Present)

Homestead Air Reserve Base (28.6 miles)

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  • Average Low 2021–2026

    70.9 °F

  • Average 2021–2026

    77.1 °F

  • Average High 2021–2026

    84 °F
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