Westminster Weather Forecast

    • 23
    • 41

    Mostly Sunny

    • 38
    • 45

    Partly Sunny

    • 50
    • 60

    Mostly Cloudy

    • 56
    • 66

    Mostly Cloudy

    • 36
    • 66

    Partly Sunny

    • 48
    • 60

    Partly Sunny

Today 14 Dec Collin

Sunny, cooler with Highs in the lower 40s. Northeast Winds 5 to 10 Mph.

Tonight 14 Dec Collin

Clear, cold with Lows in the mid 20s. Northeast Winds around 5 Mph, becoming east after midnight.

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Westminster Temperature Statistics

December Temperature

McKinney - McKinney National Airport (14.3 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 (14.3 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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