Grayson County Airport Weather Forecast

    • 76
    • 90

    Becoming Sunny

    • 78
    • 91

    Mostly Sunny

    • 77
    • 93

    Chance Thunderstorms

    • 76
    • 89

    Chance Rain Showers

    • 77
    • 91

    Chance Thunderstorms

    • 72
    • 89

    Rain Showers Likely

Today 9 Jun Grayson

Sunny. Highs around 90. South Winds 5 to 10 Mph.

Tonight 9 Jun Grayson

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grayson County Airport Temperature Statistics

June Temperature

Sherman/Denison, Grayson County Airport (0 miles)

  • Lowest 6 June, 2026

    68 °F

  • Average June

    76.9 °F

  • Highest 1 June, 2026

    93.2 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    77 °F
Get WillyWeather+ to remove ads