Waterloo Park Weather Forecast

    • 77
    • 94

    Sunny

    • 77
    • 94

    Mostly Sunny

    • 78
    • 95

    Hot

    • 78
    • 97

    Hot

    • 78
    • 98

    Hot

    • 75
    • 95

    Slight Chance Thunderstorms

Today 30 Jun Grayson

Sunny. Highs in the mid 90s. South Winds around 10 Mph.

Tonight 30 Jun Grayson

Clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Waterloo Park Temperature Statistics

June Temperature

Sherman/Denison, Grayson County Airport (5.6 miles)

  • Lowest 14 June, 2026

    64.4 °F

  • Average June

    78.7 °F

  • Highest 1 June, 2026

    93.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (5.6 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    77 °F
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