Loy Lake Weather Forecast

    • 30
    • 75

    Breezy

    • 32
    • 48

    Mostly Sunny

    • 47
    • 62

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 56
    • 83

    Sunny

    • 60
    • 86

    Sunny

    • 61
    • 91

    Sunny

Today 15 Mar Grayson

Mostly sunny and very windy. Highs in the upper 70s. Temperatures falling to around 60 late. Northwest Winds 25 to 35 Mph with wind Gusts up to 45 Mph are possible.

Tonight 15 Mar Grayson

Partly cloudy in the Evening, then clearing. Breezy and much Colder with Lows in the upper 20s. North Winds 20 to 25 Mph, becoming northwest 15 to 25 Mph after midnight. Wind Gusts up to 40 Mph are possible.

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  • Temperature Real-Time

Loy Lake Temperature Statistics

March Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 8 March, 2026

    37.4 °F

  • Average March

    63.1 °F

  • Highest 3 March, 2026

    82.4 °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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