Hallettsville Weather Forecast

    • 74
    • 96

    Mostly Sunny

    • 72
    • 98

    Hot

    • 73
    • 98

    Hot

    • 76
    • 94

    Slight Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 74
    • 97

    Partly Sunny

Today 22 Jul Lavaca

Partly cloudy. Highs in the mid 90s. South Winds 10 to 15 Mph. Highest heat index Readings up to 106.

Tonight 22 Jul Lavaca

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. Southeast Winds 10 to 15 Mph, becoming south around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hallettsville Temperature Statistics

July Temperature

Robert R Wells Jr Airport (28.6 miles)

  • Lowest 10 July, 2025

    71.1 °F

  • Average July

    81.2 °F

  • Highest 19 July, 2025

    94.1 °F

Climate (2020–Present)

Robert R Wells Jr Airport (28.6 miles)

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  • Average Low 2020–2025

    60.2 °F

  • Average 2020–2025

    69.8 °F

  • Average High 2020–2025

    80.3 °F
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