Loy Lake Weather Forecast

    • 75
    • 89

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 76
    • 92

    Slight Chance Thunderstorms

    • 77
    • 93

    Partly Sunny

    • 78
    • 95

    Partly Sunny

    • 78
    • 96

    Mostly Sunny

Today 22 Jun Grayson

Mostly cloudy this Morning, then becoming partly sunny. A 40 percent chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 22 Jun Grayson

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms. Humid with Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loy Lake Temperature Statistics

June Temperature

Sherman/Denison, Grayson County Airport (4.3 miles)

  • Lowest 14 June, 2026

    64.4 °F

  • Average June

    78.1 °F

  • Highest 1 June, 2026

    93.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (4.3 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    77 °F
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