Old Union Weather Forecast

    • 75
    • 90

    Increasing Clouds

    • 73
    • 93

    Decreasing Clouds

    • 72
    • 95

    Mostly Sunny

    • 72
    • 95

    Sunny

    • 75
    • 97

    Hot

    • 77
    • 98

    Hot

    • 77
    • 98

    Hot

Today 17 Jul Limestone

Mostly sunny. Highs in the upper 80s. South Winds around 10 Mph.

Tonight 17 Jul Limestone

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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Old Union Temperature Statistics

July Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 13 July, 2026

    70 °F

  • Average July

    80.4 °F

  • Highest 8 July, 2026

    94.6 °F

Climate (2021–2026)

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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