Old Union Weather Forecast

    • 74
    • 99

    Hot

    • 73
    • 98

    Hot

    • 74
    • 98

    Hot

    • 74
    • 97

    Hot

    • 74
    • 98

    Hot

    • 74
    • 99

    Hot

Today 29 Aug Limestone

Sunny. A less than 20 percent chance of Showers this afternoon. Hot with Highs in the upper 90s. South Winds around 5 Mph.

Tonight 29 Aug Limestone

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

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Old Union Temperature Statistics

August Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 3 August, 2026

    66.2 °F

  • Average August

    86.3 °F

  • Highest 22 August, 2026

    104.2 °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

    79.2 °F
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