Summerland Key - Southwest Side Weather Forecast

    • 74
    • 83

    Slight Chance Rain Showers

    • 72
    • 82

    Mostly Sunny

    • 74
    • 81

    Slight Chance Thunderstorms

    • 74
    • 78

    Mostly Cloudy

    • 74
    • 79

    Slight Chance Rain Showers

    • 74
    • 78

    Slight Chance Rain Showers

Today 28 Mar Monroe Lower Keys

Partly cloudy Early, then becoming mostly sunny. A slight chance of Showers. Highs in the lower 80s. Northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

Tonight 28 Mar Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 70s. Northeast to east Winds near 10 Mph, increasing to near 15 Mph. Chance of rain 30 percent.

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Summerland Key - Southwest Side Temperature Statistics

March Temperature

Key West Naval Air Station (15.5 miles)

  • Lowest 18 March, 2026

    64 °F

  • Average March

    75.7 °F

  • Highest 5 March, 2026

    84 °F

Climate (2021–Present)

Key West Naval Air Station (15.5 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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