Glen Lyon Weather Forecast

    • 56
    • 66

    Chance Rain Showers

    • 51
    • 60

    Rain Showers Likely

    • 54
    • 74

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 68
    • 82

    Mostly Cloudy

    • 66
    • 90

    Slight Chance Thunderstorms

    • 57
    • 87

    Mostly Sunny

Today 30 Apr Collin

Cloudy with a 50 percent chance of Showers. Highs in the mid 60s. East Winds around 10 Mph.

Tonight 30 Apr Collin

Cloudy with a 50 percent chance of Showers. Lows in the mid 50s. East Winds 5 to 10 Mph.

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Glen Lyon Temperature Statistics

April Temperature

Dallas / Addison Airport (3.7 miles)

  • Lowest 19 April, 2026

    44.6 °F

  • Average April

    69.3 °F

  • Highest 1 April, 2026

    86 °F

Climate (2021–Present)

Dallas / Addison Airport (3.7 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    78.4 °F
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