St Martinville Weather Forecast

    • 70
    • 85

    Thunderstorms Likely

    • 72
    • 85

    Rain Showers Likely

    • 72
    • 85

    Rain Showers

    • 72
    • 86

    Rain Showers

    • 71
    • 84

    Rain Showers

    • 71
    • 84

    Rain Showers

    • 71
    • 84

    Thunderstorms Likely

Today 20 May Upper St. Martin

Partly sunny with a chance of Showers and Thunderstorms this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Temperature falling to around 80 this afternoon. South Winds around 5 Mph, becoming southwest around 5 Mph this afternoon. Chance of rain 70 percent.

Tonight 20 May Upper St. Martin

A slight chance of Thunderstorms this evening. Mostly cloudy with a chance of Showers. Lows around 70. Southeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Martinville Temperature Statistics

May Temperature

Acadiana Regional Airport (6.8 miles)

  • Lowest 3 May, 2026

    48.7 °F

  • Average May

    72.8 °F

  • Highest 14 May, 2026

    88.6 °F

Climate (2021–Present)

Acadiana Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    61.1 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    80.6 °F
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