Grayson County Airport Weather Forecast

    • 61
    • 83

    Sunny

    • 63
    • 84

    Sunny

    • 64
    • 85

    Sunny

    • 65
    • 82

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 70
    • 85

    Mostly Sunny

Today 7 Oct Grayson

Sunny. Highs in the lower 80s. Light and variable Winds, becoming northeast around 5 Mph this afternoon.

Tonight 7 Oct Grayson

Clear. Lows in the lower 60s. Light and variable Winds.

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  • Temperature Real-Time

Grayson County Airport Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (0 miles)

  • Lowest 5 October, 2026

    62.6 °F

  • Average October

    70.5 °F

  • Highest 5 October, 2026

    84.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (0 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    77.3 °F
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