Denison Dam Weather Forecast

    • 66
    • 80

    Chance Thunderstorms

    • 68
    • 82

    Partly Sunny

    • 68
    • 83

    Mostly Cloudy

    • 65
    • 81

    Rain Showers

    • 62
    • 76

    Rain Showers Likely

    • 59
    • 80

    Chance Thunderstorms

Today 26 Apr Bryan

Mostly cloudy with a chance of Thunderstorms. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 26 Apr Bryan

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Denison Dam Temperature Statistics

April Temperature

Sherman/Denison, Grayson County Airport (9.3 miles)

  • Lowest 7 April, 2025

    33.8 °F

  • Average April

    63.2 °F

  • Highest 13 April, 2025

    89.6 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (9.3 miles)

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  • Average Low 2020–2025

    55.1 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    76.1 °F
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