Island Weather Forecast

    • 71
    • 97

    Chance Thunderstorms

    • 65
    • 89

    Decreasing Clouds

    • 66
    • 87

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 19 Aug McLean

Sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. West Winds around 5 Mph. Chance of rain 20 percent. Highest heat index Readings heat index Readings up to 105.

Tonight 19 Aug McLean

Mostly cloudy. A chance of Showers and Thunderstorms early this Evening, then a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Temperature Statistics

August Temperature

Madisonville Municipal Airport (14.9 miles)

  • Lowest 2 August, 2025

    59.4 °F

  • Average August

    77.8 °F

  • Highest 16 August, 2025

    95.2 °F

Climate (2020–Present)

Madisonville Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    59.6 °F

  • Average High 2020–2025

    69.7 °F
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