Glen Lyon Weather Forecast

    • 61
    • 84

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 60
    • 81

    Mostly Cloudy

    • 63
    • 80

    Mostly Cloudy

    • 60
    • 77

    Partly Sunny

    • 60
    • 78

    Mostly Sunny

Today 23 Oct Collin

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 23 Oct Collin

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Glen Lyon Temperature Statistics

October Temperature

Dallas / Addison Airport (3.7 miles)

  • Lowest 17 October, 2026

    46.4 °F

  • Average October

    73.3 °F

  • Highest 13 October, 2026

    95 °F

Climate (2021–2026)

Dallas / Addison Airport (3.7 miles)

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  • Average Low 2021–2026

    60.5 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    78.9 °F
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