Key West - South Side Weather Forecast

    • 57
    • 67

    Mostly Cloudy

    • 61
    • 71

    Partly Sunny

    • 61
    • 72

    Slight Chance Rain Showers

    • 51
    • 69

    Slight Chance Rain Showers

    • 52
    • 61

    Partly Sunny

    • 55
    • 64

    Mostly Sunny

Today 28 Jan Monroe Lower Keys

Partly sunny with a slight chance of Showers. Breezy early. Highs in the upper 60s. North Winds 15 to 20 Mph, decreasing to 10 to 15 Mph. Chance of rain 10 percent.

Tonight 28 Jan Monroe Lower Keys

Mostly cloudy. Becoming breezy. Cold with Lows in the mid 50s. North Winds 10 to 15 Mph, increasing to 15 to 20 Mph.

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Key West - South Side Temperature Statistics

January Temperature

Key West International Airport (1.9 miles)

  • Lowest 2 January, 2026

    54.6 °F

  • Average January

    71.4 °F

  • Highest 11 January, 2026

    81.6 °F

Climate (2021–Present)

Key West International Airport (1.9 miles)

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  • Average Low 2021–2026

    75.6 °F

  • Average 2021–2026

    79.6 °F

  • Average High 2021–2026

    83.9 °F
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