Lewisville Weather Forecast

    • 58
    • 86

    Partly Sunny

    • 57
    • 86

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 61
    • 88

    Partly Sunny

    • 62
    • 84

    Chance Rain Showers

    • 62
    • 80

    Chance Rain Showers

Today 16 Sep Henry

Partly cloudy. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 16 Sep Henry

Mostly clear. Lows in the upper 50s. Light and variable Winds, becoming southeast around 5 Mph toward daybreak.

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Lewisville Temperature Statistics

September Temperature

Anderson Municipal Airport (24.2 miles)

  • Lowest 8 September, 2025

    42.3 °F

  • Average September

    60.5 °F

  • Highest 14 September, 2025

    86.9 °F

Climate (2020–Present)

Anderson Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.9 °F
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