Old Union Weather Forecast

    • 63
    • 78

    Mostly Cloudy

    • 64
    • 84

    Decreasing Clouds

    • 65
    • 86

    Rain Showers

    • 52
    • 77

    Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

Today 31 Oct Limestone

Partly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 31 Oct Limestone

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 60s. Light and variable Winds.

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Old Union Temperature Statistics

October Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 17 October, 2026

    44.6 °F

  • Average October

    70.5 °F

  • Highest 13 October, 2026

    92.1 °F

Climate (2021–2026)

Mexia Limestone County Airport (16.8 miles)

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  • Average Low 2021–2026

    58.4 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    79.3 °F
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