Lewisville Weather Forecast

    • 67
    • 88

    Rain Showers Likely

    • 61
    • 81

    Rain Showers

    • 56
    • 66

    Rain Likely

    • 52
    • 64

    Mostly Cloudy

    • 51
    • 71

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

Today 21 Sep Forsyth

Partly sunny. Areas of fog this morning. A chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph, becoming east around 5 Mph this afternoon. Chance of rain 40 percent.

Tonight 21 Sep Forsyth

Showers likely with a chance of Thunderstorms. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewisville Temperature Statistics

September Temperature

Winston Salem, Smith Reynolds Airport (10.6 miles)

  • Lowest 9 September, 2026

    60.1 °F

  • Average September

    78.2 °F

  • Highest 3 September, 2026

    96.1 °F

Climate (2021–2026)

Winston Salem, Smith Reynolds Airport (10.6 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    70.9 °F
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