Key West International Airport Weather Forecast

    • 83
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Slight Chance Thunderstorms

    • 84
    • 90

    Slight Chance Thunderstorms

    • 83
    • 90

    Mostly Sunny

    • 83
    • 91

    Mostly Sunny

    • 82
    • 92

    Slight Chance Thunderstorms

    • 83
    • 92

    Mostly Sunny

Today 18 Jul Monroe Lower Keys

Partly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. Southeast Winds near 10 Mph. Chance of rain 20 percent.

Tonight 18 Jul Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Key West International Airport Temperature Statistics

July Temperature

Key West International Airport (0 miles)

  • Lowest 10 July, 2026

    75.9 °F

  • Average July

    86.9 °F

  • Highest 8 July, 2026

    92.6 °F

Climate (2021–2026)

Key West International Airport (0 miles)

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  • Average Low 2021–2026

    75.7 °F

  • Average 2021–2026

    79.7 °F

  • Average High 2021–2026

    84.1 °F
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