Loy Lake Weather Forecast

    • 59
    • 82

    Sunny

    • 61
    • 82

    Sunny

    • 63
    • 83

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

Today 6 Oct Grayson

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

Tonight 6 Oct Grayson

Clear. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 3 October, 2026

    67.6 °F

  • Average October

    70.8 °F

  • Highest 1 October, 2026

    79.3 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (4.3 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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