Loy Lake Weather Forecast

    • 72
    • 94

    Mostly Sunny

    • 70
    • 94

    Partly Sunny

    • 69
    • 93

    Partly Sunny

    • 70
    • 92

    Partly Sunny

    • 73
    • 94

    Partly Sunny

    • 72
    • 95

    Partly Sunny

Today 22 Sep Grayson

Sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph.

Tonight 22 Sep Grayson

Mostly clear. Lows in the lower 70s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

September Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 11 September, 2026

    71.1 °F

  • Average September

    85.8 °F

  • Highest 12 September, 2026

    102.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (4.3 miles)

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

  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    77.3 °F
Get WillyWeather+ to remove ads