Box Lake Weather Forecast

    • 72
    • 91

    Partly Sunny

    • 73
    • 93

    Partly Sunny

    • 75
    • 96

    Slight Chance Thunderstorms

    • 76
    • 95

    Partly Sunny

    • 74
    • 93

    Chance Rain Showers

    • 69
    • 87

    Chance Rain Showers

    • 68
    • 83

    Chance Rain Showers

Today 25 Sep Collin

Mostly sunny. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Tonight 25 Sep Collin

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 70. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Box Lake Temperature Statistics

September Temperature

McKinney - McKinney National Airport (11.8 miles)

  • Lowest 19 September, 2026

    69.1 °F

  • Average September

    87.2 °F

  • Highest 12 September, 2026

    101.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (11.8 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    78.6 °F
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