Marquesas Keys Weather Forecast

    • 74
    • 78

    Rain Showers

    • 73
    • 78

    Mostly Sunny

    • 72
    • 78

    Partly Sunny

    • 66
    • 77

    Breezy

    • 67
    • 71

    Mostly Cloudy

    • 68
    • 73

    Rain Showers

    • 68
    • 74

    Rain Showers

Today 8 Jan Monroe Lower Keys

Mostly sunny with a slight chance of Sprinkles or a brief light shower. Highs in the upper 70s. Northeast to east Winds 5 to 10 Mph, becoming east to southeast near 10 Mph. Chance of rain 10 percent.

Tonight 8 Jan Monroe Lower Keys

Partly cloudy with a slight chance of Showers. Lows in the lower 70s. East to southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marquesas Keys Temperature Statistics

January Temperature

Key West International Airport (23 miles)

  • Lowest 2 January, 2026

    55 °F

  • Average January

    67.8 °F

  • Highest 6 January, 2026

    79 °F

Climate (2021–Present)

Key West International Airport (23 miles)

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  • Average Low 2021–2026

    75.6 °F

  • Average 2021–2026

    79.5 °F

  • Average High 2021–2026

    83.9 °F
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