Grayson Highlands State Park Weather Forecast

    • 55
    • 72

    Thunderstorms Likely

    • 58
    • 76

    Mostly Sunny

    • 51
    • 74

    Rain Showers Likely

    • 43
    • 65

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

Today 4 Sep Grayson

Patchy fog this morning. Mostly sunny this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 4 Sep Grayson

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Patchy fog after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Grayson Highlands State Park Temperature Statistics

September Temperature

Jefferson - Ashe County Airport (13.7 miles)

  • Lowest 2 September, 2025

    46.9 °F

  • Average September

    58.3 °F

  • Highest 2 September, 2025

    68.7 °F

Climate (2020–Present)

Jefferson - Ashe County Airport (13.7 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61 °F
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