Smith Mountain Lake Weather Forecast

    • 70
    • 84

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 89

    Partly Sunny

    • 71
    • 91

    Partly Sunny

Today 5 Aug Franklin

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 5 Aug Franklin

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Humid with Lows around 70. South Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smith Mountain Lake Temperature Statistics

August Temperature

Roanoke, Roanoke Regional Airport (24.9 miles)

  • Lowest 1 August, 2026

    64.7 °F

  • Average August

    76.4 °F

  • Highest 3 August, 2026

    87.1 °F

Climate (2021–2026)

Roanoke, Roanoke Regional Airport (24.9 miles)

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  • Average Low 2021–2026

    49.6 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    70 °F
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