Grand Prairie Weather Forecast

    • 73
    • 95

    Increasing Clouds

    • 67
    • 95

    Mostly Sunny

    • 69
    • 95

    Sunny

    • 71
    • 96

    Mostly Sunny

    • 72
    • 96

    Slight Chance Thunderstorms

    • 72
    • 95

    Chance Thunderstorms

Today 16 Sep St. Landry

Mostly sunny. Humid with Highs in the mid 90s. East Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 16 Sep St. Landry

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the mid 70s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Prairie Temperature Statistics

September Temperature

Opelousas St Landry Parish Airport (8.7 miles)

  • Lowest 6 September, 2026

    71.6 °F

  • Average September

    80.3 °F

  • Highest 13 September, 2026

    94.6 °F

Climate (2021–2026)

Opelousas St Landry Parish Airport (8.7 miles)

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  • Average Low 2021–2026

    58.5 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    78.9 °F
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