Lewisville Weather Forecast

    • 73
    • 90

    Chance Thunderstorms

    • 74
    • 89

    Rain Showers Likely

    • 76
    • 94

    Mostly Sunny

    • 78
    • 98

    Hot

    • 79
    • 99

    Hot

    • 79
    • 100

    Hot

    • 78
    • 99

    Hot

Today 3 Aug Denton

Mostly sunny with a 20 percent chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 3 Aug Denton

Partly cloudy this Evening, then mostly cloudy with a 50 percent chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewisville Temperature Statistics

August Temperature

Dallas/Fort Worth International Airport (9.9 miles)

  • Lowest 1 August, 2025

    79 °F

  • Average August

    85.6 °F

  • Highest 1 August, 2025

    93.9 °F

Climate (2020–Present)

Dallas/Fort Worth International Airport (9.9 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    68.5 °F

  • Average High 2020–2025

    78.7 °F
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