Loy Lake Weather Forecast

    • 42
    • 63

    Becoming Sunny

    • 42
    • 62

    Sunny

    • 48
    • 67

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 47
    • 66

    Sunny

    • 50
    • 70

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

Today 29 Oct Grayson

Mostly sunny and Breezy, cooler with Highs in the upper 50s. Northwest Winds 15 to 25 Mph with wind Gusts up to 35 Mph are possible.

Tonight 29 Oct Grayson

Mostly clear. Lows in the lower 40s. North Winds 10 to 15 Mph, becoming northwest around 5 Mph after midnight.

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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 22 October, 2025

    46 °F

  • Average October

    70.6 °F

  • Highest 12 October, 2025

    90 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (4.3 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    76.3 °F
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