Hallettsville Municipal Airport Weather Forecast

    • 72
    • 98

    Slight Chance Thunderstorms

    • 73
    • 99

    Hot

    • 73
    • 99

    Hot

    • 72
    • 98

    Hot

    • 70
    • 97

    Hot

    • 70
    • 97

    Hot

Today 21 Sep Lavaca

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent. Highest heat index Readings up to 107.

Tonight 21 Sep Lavaca

Clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hallettsville Municipal Airport Temperature Statistics

September Temperature

Robert R Wells Jr Airport (31.1 miles)

  • Lowest 19 September, 2026

    70.2 °F

  • Average September

    83.9 °F

  • Highest 2 September, 2026

    102 °F

Climate (2021–2026)

Robert R Wells Jr Airport (31.1 miles)

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  • Average Low 2021–2026

    60.7 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    81.4 °F
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