Old Union Weather Forecast

    • 70
    • 84

    Chance Thunderstorms

    • 71
    • 83

    Thunderstorms Likely

    • 73
    • 85

    Thunderstorms Likely

    • 73
    • 89

    Partly Sunny

    • 73
    • 90

    Mostly Sunny

    • 74
    • 90

    Mostly Sunny

    • 75
    • 92

    Mostly Sunny

Today 5 Jun Limestone

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 5 Jun Limestone

A chance of Thunderstorms. Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old Union Temperature Statistics

June Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 3 June, 2026

    65.5 °F

  • Average June

    77.6 °F

  • Highest 2 June, 2026

    90.5 °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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