Old Union Weather Forecast

    • 67
    • 78

    Chance Thunderstorms

    • 66
    • 82

    Slight Chance Thunderstorms

    • 66
    • 83

    Mostly Cloudy

    • 66
    • 82

    Chance Thunderstorms

    • 66
    • 86

    Partly Sunny

    • 67
    • 87

    Mostly Cloudy

Today 12 Apr Limestone

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 12 Apr Limestone

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. 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 6 April, 2026

    46.9 °F

  • Average April

    65.5 °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

    68.2 °F

  • Average High 2021–2026

    79 °F
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