Denison Weather Forecast

    • 70
    • 92

    Mostly Sunny

    • 69
    • 92

    Partly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 73
    • 88

    Chance Rain Showers

    • 68
    • 91

    Chance Thunderstorms

    • 65
    • 87

    Slight Chance Thunderstorms

Today 4 Sep Crawford

Mostly sunny. Humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 102.

Tonight 4 Sep Crawford

Mostly clear. Humid with Lows around 70. Southeast Winds around 5 Mph. Heat index Values up to 101 early in the evening.

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Denison Temperature Statistics

September Temperature

Denison (2.5 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    79.6 °F

  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

Denison (2.5 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    61.7 °F
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