Johnston Key - Southwest End Weather Forecast

    • 84
    • 89

    Slight Chance Thunderstorms

    • 84
    • 91

    Partly Sunny

    • 84
    • 91

    Mostly Sunny

    • 84
    • 91

    Partly Sunny

    • 84
    • 91

    Partly Sunny

    • 84
    • 91

    Partly Sunny

    • 84
    • 91

    Mostly Sunny

Today 11 Jul Monroe Lower Keys

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid to upper 80s. East to southeast Winds 10 to 15 Mph. Chance of rain 10 percent.

Tonight 11 Jul Monroe Lower Keys

Mostly cloudy this Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the lower 80s. East to southeast Winds near 10 Mph. Chance of rain 10 percent.

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  • Temperature Real-Time

Johnston Key - Southwest End Temperature Statistics

July Temperature

Key West Naval Air Station (10.6 miles)

  • Lowest 1 July, 2026

    82 °F

  • Average July

    86.7 °F

  • Highest 8 July, 2026

    93 °F

Climate (2021–2026)

Key West Naval Air Station (10.6 miles)

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  • Average Low 2021–2026

    77.3 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.6 °F
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