Smith Mountain Lake Weather Forecast

    • 65
    • 91

    Chance Thunderstorms

    • 55
    • 69

    Rain Showers

    • 55
    • 65

    Rain Showers

    • 60
    • 73

    Chance Thunderstorms

    • 62
    • 78

    Rain Showers Likely

    • 63
    • 79

    Rain Showers Likely

Today 20 May Franklin

Sunny, hot with Highs in the lower 90s. West Winds 5 to 10 Mph.

Tonight 20 May Franklin

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 60s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smith Mountain Lake Temperature Statistics

May Temperature

Roanoke, Roanoke Regional Airport (24.9 miles)

  • Lowest 3 May, 2026

    38.6 °F

  • Average May

    61.1 °F

  • Highest 17 May, 2026

    88 °F

Climate (2021–Present)

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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