Old Union Weather Forecast

    • 72
    • 100

    Slight Chance Thunderstorms

    • 73
    • 98

    Hot

    • 74
    • 100

    Hot

    • 75
    • 99

    Hot

    • 75
    • 98

    Hot

    • 75
    • 97

    Hot

Today 1 Aug Limestone

Mostly sunny. A 20 percent chance of Showers and Thunderstorms in the morning. Hot with Highs around 100. Southwest Winds 5 to 10 Mph, becoming northwest in the afternoon. Heat index Values up to 106.

Tonight 1 Aug Limestone

Partly cloudy. Lows in the lower 70s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Old Union Temperature Statistics

August Temperature

Mexia Limestone County Airport (16.8 miles)

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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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