Key West - South Side Weather Forecast

    • 81
    • 90

    Partly Sunny

    • 81
    • 90

    Rain Showers

    • 81
    • 90

    Chance Thunderstorms

    • 80
    • 90

    Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

    • 80
    • 91

    Rain Showers Likely

Today 24 May Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Breezy. Highs in the upper 80s. East to southeast Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 24 May Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Lows near 80. East to southeast Winds 15 to 20 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key West - South Side Temperature Statistics

May Temperature

Key West International Airport (1.9 miles)

  • Lowest 6 May, 2026

    76.6 °F
  • Average May

    85.2 °F
  • Highest 8 May, 2026

    92.6 °F

Climate (2021–Present)

Key West International Airport (1.9 miles)

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  • Average Low 2021–2026

    75.5 °F
  • Average 2021–2026

    79.6 °F
  • Average High 2021–2026

    83.9 °F
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