Smith Mountain Lake Weather Forecast

    • 71
    • 90

    Mostly Sunny

    • 68
    • 89

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers

    • 66
    • 84

    Chance Thunderstorms

    • 64
    • 86

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 66
    • 84

    Slight Chance Thunderstorms

Today 19 Aug Franklin

Sunny. Near steady temperature in the upper 80s. West Winds around 5 Mph.

Tonight 19 Aug Franklin

Mostly clear. Lows around 70. West Winds around 5 Mph.

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  • 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

    79.4 °F

  • Highest 14 August, 2026

    92.6 °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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