Whitesboro Weather Forecast

    • 60
    • 79

    Chance Thunderstorms

    • 58
    • 76

    Rain Showers

    • 56
    • 68

    Rain Showers

    • 57
    • 72

    Slight Chance Rain Showers

    • 52
    • 75

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

Today 23 Oct Grayson

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs around 80. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 23 Oct Grayson

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Whitesboro Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (14.3 miles)

  • Lowest 19 October, 2025

    54.3 °F

  • Average October

    73 °F

  • Highest 12 October, 2025

    90 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (14.3 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    76.2 °F
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