Riviera Canal, Key West Weather Forecast

    • 84
    • 91

    Slight Chance Thunderstorms

    • 83
    • 91

    Slight Chance Thunderstorms

    • 83
    • 90

    Mostly Sunny

    • 83
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Chance Thunderstorms

    • 83
    • 91

    Mostly Sunny

Today 10 Aug Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. East Winds 10 to 15 Mph. Chance of rain 10 percent. Heat index Values up to 108.

Tonight 10 Aug Monroe Lower Keys

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

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Riviera Canal, Key West Temperature Statistics

August Temperature

Key West International Airport (0 miles)

  • Lowest 6 August, 2026

    74.6 °F

  • Average August

    85.5 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Key West International Airport (0 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