Hillcrest Plaza Weather Forecast

    • 25
    • 41

    Mostly Sunny

    • 42
    • 47

    Partly Sunny

    • 50
    • 62

    Mostly Cloudy

    • 56
    • 67

    Partly Sunny

    • 39
    • 67

    Partly Sunny

    • 50
    • 61

    Partly Sunny

Today 14 Dec Collin

Mostly sunny. Cooler with Highs in the lower 40s. North Winds 10 to 15 Mph, becoming northeast 5 to 10 Mph this afternoon. Wind chill Values as low as 14 this morning.

Tonight 14 Dec Collin

Mostly clear. Cold with Lows in the mid 20s. Northeast Winds around 5 Mph, becoming east after midnight.

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Hillcrest Plaza Temperature Statistics

December Temperature

McKinney - McKinney National Airport (11.2 miles)

  • Lowest 2 December, 2025

    28.9 °F

  • Average December

    44.6 °F

  • Highest 12 December, 2025

    70 °F

Climate (2020–Present)

McKinney - McKinney National Airport (11.2 miles)

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  • Average Low 2020–2025

    55.9 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    77.5 °F
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