Grand Coteau Weather Forecast

    • 72
    • 93

    Becoming Sunny

    • 72
    • 92

    Rain Showers Likely

    • 71
    • 92

    Rain Showers

    • 69
    • 86

    Rain Showers

    • 67
    • 82

    Rain Showers

    • 65
    • 81

    Chance Rain Showers

Today 30 Sep St. Landry

Sunny. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 30 Sep St. Landry

Mostly clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grand Coteau Temperature Statistics

September Temperature

Opelousas St Landry Parish Airport (9.9 miles)

  • Lowest 26 September, 2026

    62.8 °F

  • Average September

    79.8 °F

  • Highest 22 September, 2026

    96.3 °F

Climate (2021–2026)

Opelousas St Landry Parish Airport (9.9 miles)

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  • Average Low 2021–2026

    58.5 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    79 °F
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