Key West Weather Forecast

    • 74
    • 85

    Rain Showers Likely

    • 68
    • 84

    Rain Showers Likely

    • 65
    • 76

    Chance Thunderstorms

    • 66
    • 76

    Chance Thunderstorms

    • 67
    • 77

    Chance Rain Showers

    • 68
    • 76

    Mostly Sunny

Today 15 Mar Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Some Thunderstorms may contain strong Winds. Highs in the lower to mid 80s. Southeast Winds 10 to 15 Mph, decreasing to near 10 Mph. Chance of rain 60 percent.

Tonight 15 Mar Monroe Lower Keys

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may contain strong Winds. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Key West Temperature Statistics

March Temperature

Key West International Airport (3.1 miles)

  • Lowest 1 March, 2026

    71.7 °F

  • Average March

    78.4 °F

  • Highest 10 March, 2026

    84 °F

Climate (2021–Present)

Key West International Airport (3.1 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    79.5 °F

  • Average High 2021–2026

    83.9 °F
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