Johnston Key - Southwest End Weather Forecast

    • 57
    • 77

    Breezy

    • 59
    • 67

    Breezy

    • 57
    • 65

    Breezy

    • 57
    • 65

    Mostly Sunny

    • 58
    • 66

    Partly Sunny

    • 60
    • 68

    Mostly Cloudy

Today 26 Jan Monroe Lower Keys

Partly sunny with a slight chance of Showers. Highs near 80. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph this afternoon. Chance of rain 10 percent.

Tonight 26 Jan Monroe Lower Keys

Decreasing cloudiness. A slight chance of Showers in the evening. Becoming windy and much cooler. Less humid with Lows in the upper 50s. Winds becoming northwest and increasing to 20 to 25 Mph in the evening. Chance of rain 10 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnston Key - Southwest End Temperature Statistics

January Temperature

Key West Naval Air Station (10.6 miles)

  • Lowest 16 January, 2026

    54 °F

  • Average January

    69.7 °F

  • Highest 9 January, 2026

    81 °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

    77.3 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.6 °F
Get WillyWeather+ to remove ads