Denison Weather Forecast

    • 72
    • 91

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 62
    • 85

    Partly Sunny

    • 59
    • 82

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 57
    • 83

    Slight Chance Thunderstorms

    • 51
    • 77

    Mostly Sunny

Today 17 Aug Crawford

Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values up to 101.

Tonight 17 Aug Crawford

Mostly clear this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 103 early this evening.

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Denison Temperature Statistics

August Temperature

Denison (2.5 miles)

  • Lowest 13 August, 2025

    57.2 °F

  • Average August

    75 °F

  • Highest 15 August, 2025

    87.8 °F

Climate (2020–Present)

Denison (2.5 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    61.1 °F
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