Whitesboro Weather Forecast

    • 50
    • 62

    Decreasing Clouds

    • 60
    • 79

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 58
    • 83

    Chance Thunderstorms

    • 55
    • 72

    Chance Thunderstorms

    • 59
    • 71

    Chance Thunderstorms

    • 56
    • 79

    Chance Rain Showers

Today 28 Mar Grayson

Mostly sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 28 Mar Grayson

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitesboro Temperature Statistics

March Temperature

Sherman/Denison, Grayson County Airport (14.3 miles)

  • Lowest 16 March, 2026

    30.2 °F

  • Average March

    63.8 °F

  • Highest 22 March, 2026

    91.4 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (14.3 miles)

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  • Average Low 2021–2026

    55.7 °F

  • Average 2021–2026

    64.4 °F

  • Average High 2021–2026

    76.8 °F
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