Old Union Weather Forecast

    • 65
    • 78

    Chance Thunderstorms

    • 67
    • 82

    Mostly Cloudy

    • 67
    • 84

    Slight Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

    • 64
    • 90

    Partly Sunny

Today 22 Apr Limestone

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. A slight chance of Thunderstorms. A chance of Showers this Morning, then a slight chance of Showers this afternoon. Not as cool with Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 22 Apr Limestone

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 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

    68.2 °F

  • Average High 2021–2026

    79.1 °F
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