Vaca Key - Fat Deer Key Bridge Weather Forecast

    • 53
    • 74

    Rain Showers Likely

    • 63
    • 65

    Partly Sunny

    • 66
    • 74

    Mostly Cloudy

    • 55
    • 74

    Partly Sunny

    • 58
    • 63

    Partly Sunny

    • 62
    • 72

    Partly Sunny

    • 64
    • 73

    Partly Sunny

Today 15 Jan Monroe Middle Keys

Showers likely with a slight chance of Thunderstorms. Becoming very windy. Highs in the lower to mid 70s in the Morning, then falling into the mid to upper 60s in the afternoon. Southwest to west Winds near 15 Mph, becoming northwest 25 to 30 Mph this afternoon. Chance of rain 70 percent.

Tonight 15 Jan Monroe Middle Keys

Partly Cloudy, becoming mostly clear. Windy. Much Colder. Lows in the lower to mid 50s, except Lows in the mid to upper 40s in the upper Keys. Northwest to north Winds near 25 Mph, becoming north near 20 Mph.

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Vaca Key - Fat Deer Key Bridge Temperature Statistics

January Temperature

The Florida Keys - Marathon International Airport (0.6 miles)

  • Lowest 1 January, 2026

    55.9 °F

  • Average January

    72.3 °F

  • Highest 9 January, 2026

    81 °F

Climate (2021–Present)

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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