Old Union Weather Forecast

    • 68
    • 88

    Decreasing Clouds

    • 71
    • 89

    Mostly Cloudy

    • 70
    • 90

    Mostly Cloudy

    • 68
    • 90

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 59
    • 83

    Chance Thunderstorms

Today 25 Apr Limestone

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 25 Apr Limestone

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Old Union Temperature Statistics

April Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 19 April, 2026

    43.2 °F

  • Average April

    66.8 °F

  • Highest 1 April, 2026

    86.4 °F

Climate (2021–Present)

Mexia Limestone County Airport (16.8 miles)

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  • Average Low 2021–2026

    58.3 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    79.1 °F
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