Westminster Weather Forecast

    • 71
    • 92

    Mostly Cloudy

    • 71
    • 91

    Partly Sunny

    • 71
    • 92

    Mostly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

    • 68
    • 89

    Slight Chance Thunderstorms

    • 69
    • 90

    Mostly Sunny

Today 14 Sep Collin

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 14 Sep Collin

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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Westminster Temperature Statistics

September Temperature

McKinney - McKinney National Airport (14.3 miles)

  • Lowest 9 September, 2025

    57.9 °F

  • Average September

    76.1 °F

  • Highest 4 September, 2025

    100 °F

Climate (2020–Present)

McKinney - McKinney National Airport (14.3 miles)

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  • Average Low 2020–2025

    55.7 °F

  • Average 2020–2025

    66.4 °F

  • Average High 2020–2025

    77.2 °F
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