Knollwood Weather Forecast

    • 60
    • 83

    Increasing Clouds

    • 58
    • 79

    Mostly Cloudy

    • 60
    • 78

    Mostly Cloudy

    • 59
    • 77

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 60
    • 79

    Mostly Cloudy

Today 24 Oct Grayson

Mostly sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 24 Oct Grayson

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Knollwood Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (3.1 miles)

  • Lowest 18 October, 2026

    44.2 °F

  • Average October

    68.5 °F

  • Highest 13 October, 2026

    91.4 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (3.1 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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