Lewisville Lake Weather Forecast

    • 36
    • 45

    Chance Rain Showers

    • 42
    • 52

    Mostly Cloudy

    • 44
    • 61

    Mostly Sunny

    • 34
    • 53

    Mostly Sunny

    • 39
    • 51

    Mostly Sunny

    • 46
    • 61

    Mostly Sunny

Today 4 Dec Denton

Cloudy. A 20 percent chance of Showers this morning. Much cooler with Highs in the mid 40s. North Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph this afternoon.

Tonight 4 Dec Denton

Mostly cloudy. Lows in the lower 30s. Northwest Winds around 5 Mph.

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Lewisville Lake Temperature Statistics

December Temperature

Dallas / Addison Airport (11.8 miles)

  • Lowest 1 December, 2025

    35.6 °F

  • Average December

    38 °F

  • Highest 1 December, 2025

    39.2 °F

Climate (2020–Present)

Dallas / Addison Airport (11.8 miles)

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  • Average Low 2020–2025

    59.6 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    77.8 °F
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