Old Union Weather Forecast

    • 70
    • 92

    Decreasing Clouds

    • 72
    • 94

    Partly Sunny

    • 72
    • 96

    Partly Sunny

    • 72
    • 95

    Chance Rain Showers

    • 69
    • 91

    Chance Rain Showers

    • 67
    • 86

    Chance Rain Showers

Today 26 Sep Limestone

Partly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 26 Sep Limestone

Mostly clear. Lows around 70. Southeast Winds around 5 Mph.

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Old Union Temperature Statistics

September Temperature

Mexia Limestone County Airport (16.8 miles)

  • Lowest 19 September, 2026

    66.2 °F

  • Average September

    82.6 °F

  • Highest 12 September, 2026

    99 °F

Climate (2021–2026)

Mexia Limestone County Airport (16.8 miles)

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  • Average Low 2021–2026

    58.4 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    79.3 °F
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