Carrollton Summertree Weather Forecast

    • 49
    • 75

    Mostly Sunny

    • 51
    • 60

    Mostly Cloudy

    • 61
    • 71

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 61
    • 76

    Partly Sunny

Today 20 Dec Dallas

Sunny. Much warmer with Highs in the upper 70s. South Winds 10 to 15 Mph.

Tonight 20 Dec Dallas

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Southeast Winds around 5 Mph, becoming north after midnight.

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Carrollton Summertree Temperature Statistics

December Temperature

Dallas / Addison Airport (1.9 miles)

  • Lowest 14 December, 2025

    28.4 °F

  • Average December

    46.2 °F

  • Highest 12 December, 2025

    69.8 °F

Climate (2020–Present)

Dallas / Addison Airport (1.9 miles)

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  • Average Low 2020–2025

    59.6 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    77.8 °F
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