Westminster Weather Forecast

    • 74
    • 88

    Slight Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Rain Showers Likely

    • 65
    • 79

    Rain Showers Likely

    • 63
    • 76

    Rain Showers Likely

    • 63
    • 77

    Chance Thunderstorms

Today 17 May Collin

Mostly cloudy this Morning, then partly sunny with a 20 percent chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 10 to 20 Mph, becoming 15 to 20 Mph with Gusts up to 30 Mph this afternoon.

Tonight 17 May Collin

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. South Winds 15 to 20 Mph. Gusts up to 30 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Westminster Temperature Statistics

May Temperature

McKinney - McKinney National Airport (14.3 miles)

  • Lowest 2 May, 2026

    47.6 °F

  • Average May

    68.3 °F

  • Highest 5 May, 2026

    90.6 °F

Climate (2021–Present)

McKinney - McKinney National Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    56.4 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    78.2 °F
Get WillyWeather+ to remove ads