Johnson Keys - North Side Weather Forecast

    • 69
    • 77

    Rain Showers

    • 69
    • 75

    Rain Showers

    • 70
    • 76

    Rain Showers

    • 68
    • 76

    Rain Showers

    • 58
    • 74

    Rain Showers

    • 61
    • 67

    Partly Sunny

    • 67
    • 73

    Partly Sunny

Today 11 Jan Monroe Lower Keys

Partly sunny. A chance of Showers this Morning, then a slight chance of Showers this afternoon. Highs near 80. Northeast to east Winds 5 to 10 Mph, becoming north to northeast in the afternoon. Chance of rain 40 percent.

Tonight 11 Jan Monroe Lower Keys

Increasing cloudiness. A chance of Showers. Becoming breezy. Lows in the upper 60s. North to northeast Winds near 10 Mph, increasing to 15 to 20 Mph. Chance of rain 30 percent.

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Johnson Keys - North Side Temperature Statistics

January Temperature

The Florida Keys - Marathon International Airport (17.4 miles)

  • Lowest 1 January, 2026

    55.9 °F

  • Average January

    71.2 °F

  • Highest 9 January, 2026

    81 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (17.4 miles)

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  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85.1 °F
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