Westminster Weather Forecast

    • 31
    • 53

    Becoming Sunny

    • 34
    • 51

    Mostly Sunny

    • 44
    • 61

    Sunny

    • 43
    • 64

    Mostly Sunny

    • 34
    • 65

    Mostly Sunny

    • 26
    • 48

    Mostly Sunny

Today 7 Dec Collin

Mostly cloudy this Morning, then becoming mostly sunny. Areas of dense fog this morning. Highs in the mid 50s. North Winds 10 to 15 Mph.

Tonight 7 Dec Collin

Mostly clear. Cooler with Lows in the lower 30s. North Winds 5 to 10 Mph.

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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

    41.3 °F

  • Highest 3 December, 2025

    55.9 °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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