Jsi Airport Weather Forecast

    • 63
    • 75

    Increasing Clouds

    • 52
    • 76

    Chance Rain Showers

    • 39
    • 69

    Partly Sunny

    • 35
    • 55

    Mostly Sunny

    • 32
    • 54

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

Today 7 Jan Collin

Mostly sunny. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 7 Jan Collin

Mostly cloudy. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph after midnight.

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  • Temperature Real-Time

Jsi Airport Temperature Statistics

January Temperature

McKinney - McKinney National Airport (5.6 miles)

  • Lowest 4 January, 2026

    34 °F

  • Average January

    54.7 °F

  • Highest 2 January, 2026

    72 °F

Climate (2021–Present)

McKinney - McKinney National Airport (5.6 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    77.6 °F
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