Old Union Weather Forecast

    • 58
    • 81

    Increasing Clouds

    • 62
    • 84

    Partly Sunny

    • 64
    • 87

    Mostly Cloudy

    • 61
    • 85

    Chance Thunderstorms

    • 64
    • 79

    Chance Rain Showers

    • 61
    • 85

    Slight Chance Thunderstorms

Today 29 Mar Limestone

Sunny. Much warmer with Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 29 Mar Limestone

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Old Union Temperature Statistics

March Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 16 March, 2026

    34.2 °F

  • Average March

    65.9 °F

  • Highest 21 March, 2026

    87.6 °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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