Smith Mountain Lake Weather Forecast

    • 71
    • 90

    Partly Sunny

    • 73
    • 93

    Chance Rain Showers

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 87

    Slight Chance Thunderstorms

    • 74
    • 91

    Slight Chance Thunderstorms

    • 72
    • 92

    Slight Chance Thunderstorms

Today 12 Aug Franklin

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

Tonight 12 Aug Franklin

Partly cloudy. Humid with Lows around 70. West Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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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

    78.6 °F

  • Highest 6 August, 2026

    90.6 °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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