Loy Lake Weather Forecast

    • 63
    • 76

    Chance Thunderstorms

    • 55
    • 76

    Rain Showers Likely

    • 48
    • 64

    Rain Showers Likely

    • 55
    • 66

    Chance Rain Showers

    • 64
    • 75

    Rain Showers

    • 56
    • 74

    Rain Showers

Today 5 Mar Grayson

Cloudy this Morning, then becoming partly sunny. A 50 percent chance of Showers and Thunderstorms. Highs in the mid 70s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 5 Mar Grayson

Partly cloudy in the Evening, then becoming mostly cloudy. A 20 percent chance of Showers and Thunderstorms. Lows in the lower 60s. South Winds 10 to 15 Mph.

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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 2 March, 2026

    47.1 °F

  • Average March

    62.2 °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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