Flower Mound Weather Forecast

    • 76
    • 96

    Partly Sunny

    • 72
    • 94

    Partly Sunny

    • 74
    • 93

    Mostly Cloudy

    • 76
    • 96

    Partly Sunny

    • 77
    • 97

    Hot

    • 76
    • 95

    Chance Rain Showers

Today 23 Sep Denton

Mostly sunny. Highs in the mid 90s. East Winds 5 to 10 Mph.

Tonight 23 Sep Denton

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 70s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flower Mound Temperature Statistics

September Temperature

Dallas/Fort Worth International Airport (9.3 miles)

  • Lowest 21 September, 2026

    75 °F

  • Average September

    89.7 °F

  • Highest 7 September, 2026

    102.7 °F

Climate (2021–2026)

Dallas/Fort Worth International Airport (9.3 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    69.8 °F

  • Average High 2021–2026

    80.2 °F
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