Vaca Key - Fat Deer Key Bridge Weather Forecast

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 89

    Slight Chance Thunderstorms

    • 84
    • 89

    Partly Sunny

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Slight Chance Thunderstorms

    • 83
    • 89

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

Today 19 Aug Monroe Middle Keys

Mostly sunny. Highs in the lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 19 Aug Monroe Middle Keys

Mostly clear with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. Northwest to north Winds 5 to 10 Mph, becoming variable near 5 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vaca Key - Fat Deer Key Bridge Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (0.6 miles)

  • Lowest 12 August, 2026

    77 °F

  • Average August

    86.3 °F

  • Highest 1 August, 2026

    91.7 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (0.6 miles)

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  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85.1 °F
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