Glen Lyon Weather Forecast

    • 76
    • 95

    Rain Showers Likely

    • 76
    • 86

    Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

    • 79
    • 97

    Slight Chance Thunderstorms

    • 77
    • 97

    Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 78
    • 95

    Chance Thunderstorms

Today 18 Jun Collin

Sunny. Highs in the mid 90s. Southeast Winds around 10 Mph. Heat index Values up to 106.

Tonight 18 Jun Collin

Showers with Thunderstorms likely after midnight. Lows in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glen Lyon Temperature Statistics

June Temperature

Dallas / Addison Airport (3.7 miles)

  • Lowest 7 June, 2026

    69.8 °F

  • Average June

    81.2 °F

  • Highest 2 June, 2026

    95 °F

Climate (2021–2026)

Dallas / Addison Airport (3.7 miles)

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  • Average Low 2021–2026

    60.2 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    78.6 °F
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