Key West - South Side Weather Forecast

    • 84
    • 90

    Chance Rain Showers

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Mostly Sunny

    • 83
    • 91

    Mostly Sunny

    • 82
    • 92

    Slight Chance Thunderstorms

    • 83
    • 92

    Mostly Sunny

Today 19 Jul Monroe Lower Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. Southeast to south Winds 10 to 15 Mph, decreasing to 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 Jul Monroe Lower Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower to mid 80s. Southeast to south Winds 5 to 10 Mph, increasing to 10 to 15 Mph. Chance of rain 30 percent.

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Key West - South Side Temperature Statistics

July Temperature

Key West International Airport (1.9 miles)

  • Lowest 10 July, 2026

    75.9 °F

  • Average July

    87 °F

  • Highest 8 July, 2026

    92.6 °F

Climate (2021–2026)

Key West International Airport (1.9 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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