Grassy Lake Weather Forecast

    • 60
    • 83

    Decreasing Clouds

    • 61
    • 82

    Partly Sunny

    • 61
    • 84

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

Today 23 Mar St. Landry

Areas of dense fog in the morning. Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 23 Mar St. Landry

Mostly clear. Lows around 60. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

March Temperature

Opelousas St Landry Parish Airport (9.3 miles)

  • Lowest 18 March, 2026

    36 °F

  • Average March

    65.1 °F

  • Highest 6 March, 2026

    84.2 °F

Climate (2021–Present)

Opelousas St Landry Parish Airport (9.3 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    79.1 °F
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