Whitesboro Weather Forecast

    • 38
    • 56

    Mostly Cloudy

    • 20
    • 43

    Rain/Freezing Rain

    • 10
    • 23

    Wintry Mix

    • 3
    • 20

    Partly Sunny

    • 14
    • 31

    Mostly Sunny

    • 23
    • 40

    Partly Sunny

Today 22 Jan Grayson

Partly sunny this Morning, then becoming mostly cloudy. Highs in the mid 50s. East Winds 5 to 10 Mph.

Tonight 22 Jan Grayson

Cloudy. Lows in the upper 30s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitesboro Temperature Statistics

January Temperature

Sherman/Denison, Grayson County Airport (14.3 miles)

  • Lowest 18 January, 2026

    14 °F

  • Average January

    46.9 °F

  • Highest 7 January, 2026

    77 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (14.3 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    76.4 °F
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