Gunter Lake Weather Forecast

    • 71
    • 92

    Mostly Sunny

    • 71
    • 92

    Partly Sunny

    • 69
    • 90

    Chance Rain Showers

    • 70
    • 86

    Slight Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

Today 16 Sep Grayson

Sunny. A less than 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Light and variable Winds, becoming south around 5 Mph in the afternoon.

Tonight 16 Sep Grayson

Mostly clear. Lows around 70. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gunter Lake Temperature Statistics

September Temperature

Sherman/Denison, Grayson County Airport (19.3 miles)

  • Lowest 9 September, 2025

    57.2 °F

  • Average September

    74.2 °F

  • Highest 4 September, 2025

    93.2 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (19.3 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    76.1 °F
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