Fort Jefferson Seaplane and Helicopter (Beach) Weather Forecast

    • 81
    • 85

    Slight Chance Thunderstorms

    • 81
    • 85

    Slight Chance Thunderstorms

    • 81
    • 85

    Mostly Cloudy

    • 81
    • 85

    Mostly Cloudy

    • 81
    • 85

    Chance Rain Showers

    • 80
    • 85

    Chance Thunderstorms

    • 80
    • 85

    Chance Thunderstorms

Today 29 May Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph, becoming variable at Times. Chance of rain 30 percent.

Tonight 29 May Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows near 80. Variable Winds near 5 Mph, becoming southwest to west. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Jefferson Seaplane and Helicopter (Beach) Temperature Statistics

May Temperature

Key West International Airport (70.2 miles)

  • Lowest 6 May, 2026

    76.6 °F

  • Average May

    85.4 °F

  • Highest 8 May, 2026

    92.6 °F

Climate (2021–Present)

Key West International Airport (70.2 miles)

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  • Average Low 2021–2026

    75.6 °F

  • Average 2021–2026

    79.6 °F

  • Average High 2021–2026

    84 °F
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