Hallettsville Weather Forecast

    • 65
    • 91

    Mostly Sunny

    • 67
    • 92

    Partly Sunny

    • 71
    • 91

    Partly Sunny

    • 75
    • 90

    Mostly Cloudy

    • 78
    • 90

    Slight Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

Today 13 May Lavaca

Patchy fog this morning. Mostly sunny. Highs around 90. Light and variable Winds, becoming east around 5 Mph this afternoon.

Tonight 13 May Lavaca

Mostly clear. Lows in the mid 60s. Southeast Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Real-Time

Hallettsville Temperature Statistics

May Temperature

Robert R Wells Jr Airport (28.6 miles)

  • Lowest 2 May, 2026

    50.9 °F

  • Average May

    70.8 °F

  • Highest 10 May, 2026

    89.6 °F

Climate (2021–Present)

Robert R Wells Jr Airport (28.6 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    81.1 °F
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