Whitesboro Weather Forecast

    • 80
    • 105

    Hot

    • 74
    • 99

    Slight Chance Thunderstorms

    • 72
    • 97

    Hot

    • 73
    • 97

    Hot

    • 75
    • 98

    Hot

    • 76
    • 100

    Hot

    • 76
    • 99

    Hot

Today 25 Aug Grayson

Sunny, hot with Highs around 105. South Winds 10 to 15 Mph.

Tonight 25 Aug Grayson

Mostly clear. Lows in the lower 80s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitesboro Temperature Statistics

August Temperature

Sherman/Denison, Grayson County Airport (14.3 miles)

  • Lowest 3 August, 2026

    66.6 °F

  • Average August

    86.9 °F

  • Highest 18 August, 2026

    105.8 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (14.3 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    77.2 °F
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