Johnston Key - Southwest End Weather Forecast

    • 70
    • 77

    Becoming Sunny

    • 71
    • 77

    Mostly Sunny

    • 70
    • 77

    Mostly Sunny

    • 58
    • 76

    Breezy

    • 53
    • 65

    Breezy

    • 58
    • 66

    Mostly Sunny

Today 19 Feb Monroe Lower Keys

Partly cloudy Early, then becoming mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 19 Feb Monroe Lower Keys

Mostly clear. Lows in the lower 70s, except mid to upper 60s in the interior and Sheltered Locations. Southeast 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

    65.4 °F

  • Highest 15 February, 2026

    80.1 °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

    81.7 °F

  • Average High 2021–2026

    86.5 °F
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