McKinney Weather Forecast

    • 47
    • 68

    Increasing Clouds

    • 55
    • 71

    Mostly Cloudy

    • 53
    • 67

    Rain Showers Likely

    • 52
    • 71

    Partly Sunny

    • 57
    • 73

    Mostly Cloudy

    • 61
    • 75

    Chance Thunderstorms

Today 19 Mar Collin

Patchy frost this morning. Sunny. Not as cool with Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 19 Mar Collin

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the upper 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McKinney Temperature Statistics

March Temperature

McKinney - McKinney National Airport (3.1 miles)

  • Lowest 10 March, 2024

    35.7 °F
  • Average March

    62.5 °F
  • Highest 4 March, 2024

    83.6 °F

Climate (2019–Present)

McKinney - McKinney National Airport (3.1 miles)

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  • Average Low 2019–2024

    55.4 °F
  • Average 2019–2024

    65.8 °F
  • Average High 2019–2024

    76.5 °F
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