Gressett Lake Weather Forecast

    • 24
    • 47

    Patchy Freezing Fog

    • 14
    • 41

    Mostly Sunny

    • 16
    • 28

    Mostly Sunny

    • 27
    • 44

    Sunny

    • 39
    • 54

    Partly Sunny

    • 36
    • 55

    Mostly Cloudy

Today 29 Jan Grayson

Mostly sunny. Highs in the upper 40s. South Winds around 10 Mph, becoming west this afternoon.

Tonight 29 Jan Grayson

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the mid 20s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gressett Lake Temperature Statistics

January Temperature

Sherman/Denison, Grayson County Airport (13.7 miles)

  • Lowest 25 January, 2026

    11.8 °F

  • Average January

    42.6 °F

  • Highest 7 January, 2026

    77 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (13.7 miles)

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  • Average Low 2021–2026

    55.4 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    76.4 °F
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