Westminster Weather Forecast

    • 76
    • 100

    Hot

    • 77
    • 100

    Hot

    • 77
    • 99

    Hot

    • 74
    • 99

    Slight Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

Today 4 Aug Collin

Sunny, hot with Highs around 100. South Winds 5 to 10 Mph.

Tonight 4 Aug Collin

Mostly clear. Lows in the mid 70s. Southeast Winds around 5 Mph.

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Westminster Temperature Statistics

August Temperature

McKinney - McKinney National Airport (14.3 miles)

  • Lowest 1 August, 2026

    77 °F

  • Average August

    87.6 °F

  • Highest 1 August, 2026

    95 °F

Climate (2021–2026)

McKinney - McKinney National Airport (14.3 miles)

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  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    67.4 °F

  • Average High 2021–2026

    78.4 °F
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