Key West - South Side Weather Forecast

    • 83
    • 92

    Chance Rain Showers

    • 83
    • 92

    Chance Rain Showers

    • 83
    • 92

    Slight Chance Thunderstorms

    • 82
    • 92

    Slight Chance Thunderstorms

    • 82
    • 91

    Mostly Sunny

    • 82
    • 91

    Chance Thunderstorms

Today 9 Aug Monroe Lower Keys

Mostly sunny to partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs near 90. East Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 9 Aug Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the mid 80s. East Winds 10 to 15 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Key West - South Side Temperature Statistics

August Temperature

Key West International Airport (1.9 miles)

  • Lowest 6 August, 2026

    74.6 °F

  • Average August

    85.4 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Key West International Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.7 °F

  • Average High 2021–2026

    84.1 °F
Get WillyWeather+ to remove ads