Johnson Keys - North Side Weather Forecast

    • 70
    • 77

    Increasing Clouds

    • 69
    • 77

    Partly Sunny

    • 56
    • 75

    Breezy

    • 51
    • 63

    Breezy

    • 56
    • 64

    Mostly Sunny

    • 66
    • 72

    Partly Sunny

    • 67
    • 74

    Mostly Sunny

Today 20 Feb Monroe Lower Keys

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph, becoming east to southeast.

Tonight 20 Feb Monroe Lower Keys

Mostly clear. Lows in the lower 70s, except in the upper 60s in the Sheltered Locations. East to southeast Winds 5 to 10 Mph.

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Johnson Keys - North Side Temperature Statistics

February Temperature

The Florida Keys - Marathon International Airport (17.4 miles)

  • Lowest 1 February, 2026

    44.7 °F

  • Average February

    66 °F

  • Highest 16 February, 2026

    80.7 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (17.4 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85.1 °F
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