Johnston Key - Southwest End Weather Forecast

    • 64
    • 74

    Rain Showers

    • 68
    • 74

    Mostly Sunny

    • 70
    • 75

    Mostly Sunny

    • 70
    • 76

    Mostly Sunny

    • 70
    • 77

    Mostly Sunny

    • 69
    • 77

    Mostly Sunny

Today 16 Feb Monroe Lower Keys

Partly to mostly cloudy with a slight chance of Showers. Highs in the upper 70s. Southwest Winds near 10 Mph, becoming northwest. Chance of rain 20 percent.

Tonight 16 Feb Monroe Lower Keys

Partly cloudy. Lows in the mid 60s. Northwest Winds near 10 Mph, becoming north to northeast.

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Johnston Key - Southwest End Temperature Statistics

February Temperature

Key West Naval Air Station (10.6 miles)

  • Lowest 2 February, 2026

    46.9 °F

  • Average February

    63.4 °F

  • Highest 11 February, 2026

    77 °F

Climate (2021–Present)

Key West Naval Air Station (10.6 miles)

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  • Average Low 2021–2026

    77.2 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.5 °F
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