Grayson County Airport Weather Forecast

    • 52
    • 72

    Increasing Clouds

    • 60
    • 77

    Rain Showers

    • 52
    • 68

    Rain Showers

    • 44
    • 65

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 51
    • 78

    Partly Sunny

Today 12 Feb Grayson

Sunny. Highs in the lower 70s. South Winds around 5 Mph.

Tonight 12 Feb Grayson

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grayson County Airport Temperature Statistics

February Temperature

Sherman/Denison, Grayson County Airport (0 miles)

  • Lowest 1 February, 2026

    19.8 °F

  • Average February

    50.1 °F

  • Highest 6 February, 2026

    80.6 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (0 miles)

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  • Average Low 2021–2026

    55.4 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    76.4 °F
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