Square Air Airport Weather Forecast

    • 77
    • 99

    Hot

    • 76
    • 99

    Hot

    • 75
    • 98

    Hot

    • 75
    • 99

    Hot

    • 75
    • 98

    Hot

    • 71
    • 95

    Chance Rain Showers

Today 16 Sep Collin

Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph.

Tonight 16 Sep Collin

Mostly clear. Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Air Airport Temperature Statistics

September Temperature

McKinney - McKinney National Airport (4.3 miles)

  • Lowest 11 September, 2026

    74.6 °F

  • Average September

    87.9 °F

  • Highest 12 September, 2026

    101.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (4.3 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.5 °F

  • Average High 2021–2026

    78.6 °F
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