Waterloo Park Weather Forecast

    • 51
    • 70

    Increasing Clouds

    • 40
    • 65

    Partly Sunny

    • 48
    • 64

    Sunny

    • 53
    • 74

    Sunny

    • 56
    • 75

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

Today 31 Oct Grayson

Sunny. Highs around 70. South Winds around 5 Mph.

Tonight 31 Oct Grayson

Mostly cloudy. Lows around 50. Southeast Winds around 5 Mph.

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Waterloo Park Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (5.6 miles)

  • Lowest 22 October, 2025

    46 °F

  • Average October

    69.6 °F

  • Highest 12 October, 2025

    90 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (5.6 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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