Gunter Lake Weather Forecast

    • 78
    • 102

    Slight Chance Thunderstorms

    • 81
    • 104

    Hot

    • 82
    • 106

    Hot

    • 80
    • 106

    Hot

    • 78
    • 103

    Slight Chance Thunderstorms

    • 78
    • 101

    Hot

Today 22 Aug Grayson

Mostly sunny. A 20 percent chance of Showers and Thunderstorms this afternoon. Hot with Highs around 102. South Winds around 5 Mph.

Tonight 22 Aug Grayson

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. East Winds around 5 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gunter Lake Temperature Statistics

August Temperature

Sherman/Denison, Grayson County Airport (19.3 miles)

  • Lowest 3 August, 2026

    66.6 °F

  • Average August

    86.4 °F

  • Highest 18 August, 2026

    105.8 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (19.3 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    77.1 °F
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