Lockhart Weather Forecast

    • 36
    • 66

    Gradual Clearing

    • 40
    • 56

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 46
    • 59

    Slight Chance Thunderstorms

    • 58
    • 64

    Mostly Cloudy

    • 54
    • 71

    Partly Sunny

Today 18 Dec Union

Widespread dense fog in the morning. Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west in the afternoon. Chance of rain 50 percent.

Tonight 18 Dec Union

Mostly clear. Cooler. Less humid with Lows in the upper 30s. Northwest Winds 5 to 10 Mph.

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Lockhart Temperature Statistics

December Temperature

South Arkansas Regional Airport (19.9 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    40.1 °F

  • Highest 10 December, 2025

    64 °F

Climate (2020–Present)

South Arkansas Regional Airport (19.9 miles)

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  • Average Low 2020–2025

    53.7 °F

  • Average 2020–2025

    64.7 °F

  • Average High 2020–2025

    76.4 °F
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