Key West Weather Forecast

    • 80
    • 88

    Mostly Sunny

    • 81
    • 88

    Chance Rain Showers

    • 80
    • 88

    Chance Rain Showers

    • 81
    • 87

    Chance Rain Showers

    • 82
    • 87

    Chance Rain Showers

    • 82
    • 87

    Chance Rain Showers

    • 82
    • 88

    Chance Rain Showers

Today 21 Sep Monroe Lower Keys

Sunny with a slight chance of Showers. Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

Tonight 21 Sep Monroe Lower Keys

Clear in the evening then becoming partly cloudy. A slight chance of Showers. Lows near 80. Northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key West Temperature Statistics

September Temperature

Key West International Airport (3.1 miles)

  • Lowest 7 September, 2017

    77 °F
  • Average September

    85.2 °F
  • Highest 8 September, 2017

    91.9 °F

Climate (2010–Present)

Key West International Airport (3.1 miles)

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  • Average Low 2010–Present

    75 °F
  • Average 2010–Present

    78.9 °F
  • Average High 2010–Present

    83 °F
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