Denison Dam Weather Forecast

    • 60
    • 75

    Severe Tstms

    • 62
    • 82

    Rain Showers

    • 55
    • 72

    Rain Showers

    • 53
    • 73

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 58
    • 76

    Chance Rain Showers

    • 61
    • 78

    Chance Thunderstorms

Today 30 Apr Bryan

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 30 Apr Bryan

Mostly cloudy. A slight chance of Showers and Thunderstorms. Lows around 60. Southwest Winds 5 to 10 Mph. Chance of rain 20 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

    64 °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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