Loy Lake Weather Forecast

    • 67
    • 83

    Slight Chance Thunderstorms

    • 66
    • 80

    Chance Thunderstorms

    • 64
    • 77

    Rain Showers Likely

    • 67
    • 85

    Partly Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 47
    • 76

    Chance Rain Showers

Today 13 Apr Grayson

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 13 Apr Grayson

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

April Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 5 April, 2026

    42.6 °F

  • Average April

    65 °F

  • Highest 1 April, 2026

    82.4 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (4.3 miles)

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  • Average Low 2021–2026

    55.7 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.8 °F
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