Chapman Park Weather Forecast

    • 66
    • 85

    Slight Chance Thunderstorms

    • 58
    • 79

    Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 61
    • 80

    Sunny

    • 66
    • 88

    Mostly Sunny

    • 69
    • 88

    Partly Sunny

Today 9 May Grayson

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 9 May Grayson

Partly cloudy. A 20 percent chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chapman Park Temperature Statistics

May Temperature

Sherman/Denison, Grayson County Airport (8.7 miles)

  • Lowest 2 May, 2026

    44.6 °F

  • Average May

    62.1 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (8.7 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.9 °F
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