The Castlery Weather Forecast

    • 39
    • 63

    Becoming Sunny

    • 48
    • 63

    Sunny

    • 45
    • 68

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

    • 38
    • 55

    Mostly Cloudy

    • 47
    • 56

    Mostly Cloudy

Today 10 Dec Collin

Sunny. Highs in the lower 60s. North Winds 10 to 15 Mph.

Tonight 10 Dec Collin

Mostly clear. Lows in the upper 30s. North Winds around 5 Mph in the Evening, becoming light and variable.

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The Castlery Temperature Statistics

December Temperature

Dallas / Addison Airport (6.2 miles)

  • Lowest 2 December, 2025

    30.2 °F

  • Average December

    42.8 °F

  • Highest 3 December, 2025

    60.8 °F

Climate (2020–Present)

Dallas / Addison Airport (6.2 miles)

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  • Average Low 2020–2025

    59.5 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    77.8 °F
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