Loy Lake Weather Forecast

    • 63
    • 75

    Rain Showers

    • 65
    • 76

    Rain Showers Likely

    • 54
    • 78

    Rain Showers

    • 50
    • 66

    Chance Thunderstorms

    • 58
    • 69

    Chance Rain Showers

    • 64
    • 77

    Chance Rain Showers

Today 4 Mar Grayson

Mostly cloudy. A slight chance of Showers and Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 4 Mar Grayson

Mostly cloudy with Showers likely. Thunderstorms likely in the Evening, then a chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

March Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 1 March, 2026

    57.4 °F

  • Average March

    66.9 °F

  • Highest 1 March, 2026

    78.8 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (4.3 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    64.3 °F

  • Average High 2021–2026

    76.7 °F
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