Westminster Weather Forecast

    • 60
    • 88

    Sunny

    • 66
    • 91

    Sunny

    • 59
    • 93

    Sunny

    • 58
    • 82

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 63
    • 89

    Sunny

Today 20 Mar Collin

Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 20 Mar Collin

Clear. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Westminster Temperature Statistics

March Temperature

McKinney - McKinney National Airport (14.3 miles)

  • Lowest 16 March, 2026

    30.9 °F

  • Average March

    64.9 °F

  • Highest 3 March, 2026

    83.6 °F

Climate (2021–Present)

McKinney - McKinney National Airport (14.3 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    78 °F
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