Loy Lake Weather Forecast

    • 66
    • 82

    Rain Showers

    • 60
    • 73

    Rain Showers

    • 51
    • 73

    Mostly Sunny

    • 51
    • 67

    Chance Thunderstorms

    • 56
    • 65

    Rain Showers Likely

    • 50
    • 64

    Rain Showers Likely

    • 46
    • 65

    Mostly Sunny

Today 19 Nov Grayson

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 19 Nov Grayson

A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

November Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 10 November, 2025

    28.2 °F

  • Average November

    60.2 °F

  • Highest 15 November, 2025

    86 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (4.3 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    76.3 °F
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