Johnston Key - Southwest End Weather Forecast

    • 75
    • 81

    Becoming Sunny

    • 77
    • 82

    Mostly Sunny

    • 77
    • 82

    Mostly Sunny

    • 77
    • 82

    Mostly Sunny

    • 78
    • 83

    Mostly Sunny

    • 77
    • 83

    Mostly Sunny

Today 27 Apr Monroe Lower Keys

Mostly sunny with a slight chance of Showers. Highs in the mid 80s. Light and variable Winds. Chance of rain 10 percent.

Tonight 27 Apr Monroe Lower Keys

Mostly clear with a slight chance of Showers. Lows in the mid 70s. North to northeast Winds 5 to 10 Mph, becoming northeast to east and increasing to near 10 Mph. Chance of rain 10 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnston Key - Southwest End Temperature Statistics

April Temperature

Key West Naval Air Station (10.6 miles)

  • Lowest 13 April, 2026

    71.1 °F

  • Average April

    77.4 °F

  • Highest 3 April, 2026

    84 °F

Climate (2021–Present)

Key West Naval Air Station (10.6 miles)

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

  • Average Low 2021–2026

    77.2 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.5 °F
Get WillyWeather+ to remove ads