Grayson County Airport Weather Forecast

    • 64
    • 74

    Rain Showers

    • 69
    • 80

    Chance Thunderstorms

    • 69
    • 85

    Partly Sunny

    • 62
    • 87

    Chance Thunderstorms

    • 57
    • 79

    Chance Thunderstorms

    • 54
    • 74

    Partly Sunny

Today 5 May Grayson

Cloudy with a chance of Showers and perhaps an isolated thunderstorm this Morning, then partly sunny this afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain 50 percent.

Tonight 5 May Grayson

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grayson County Airport Temperature Statistics

May Temperature

Sherman/Denison, Grayson County Airport (0 miles)

  • Lowest 1 May, 2024

    63.5 °F

  • Average May

    72.6 °F

  • Highest 3 May, 2024

    84.2 °F

Climate (2019–Present)

Sherman/Denison, Grayson County Airport (0 miles)

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  • Average Low 2019–2024

    55.2 °F

  • Average 2019–2024

    63.8 °F

  • Average High 2019–2024

    75.9 °F
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