Johnston Key - Southwest End Weather Forecast

    • 64
    • 69

    Mostly Sunny

    • 64
    • 70

    Mostly Sunny

    • 65
    • 71

    Partly Sunny

    • 64
    • 71

    Mostly Sunny

    • 65
    • 71

    Mostly Sunny

    • 68
    • 73

    Partly Sunny

Today 9 Feb Monroe Lower Keys

Mostly sunny. Highs in the lower to mid 70s. Northeast to east Winds 5 to 10 Mph.

Tonight 9 Feb Monroe Lower Keys

Mostly clear. Lows in the lower 60s. Highs in the lower to mid 70s. Northeast to east Winds 5 to 10 Mph.

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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

    58.3 °F

  • Highest 4 February, 2026

    73 °F

Climate (2021–Present)

Key West Naval Air Station (10.6 miles)

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  • Average Low 2021–2026

    77.3 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.5 °F
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