Loy Lake Weather Forecast

    • 55
    • 70

    Mostly Cloudy

    • 60
    • 73

    Partly Sunny

    • 65
    • 86

    Sunny

    • 61
    • 91

    Sunny

    • 48
    • 76

    Mostly Cloudy

    • 49
    • 67

    Partly Sunny

Today 23 Mar Grayson

Mostly cloudy. Much cooler with Highs in the upper 60s. Northeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph in the afternoon.

Tonight 23 Mar Grayson

Mostly cloudy. Cooler with Lows in the mid 50s. North 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 16 March, 2026

    30.2 °F

  • Average March

    61.8 °F

  • Highest 20 March, 2026

    86 °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

    64.4 °F

  • Average High 2021–2026

    76.7 °F
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