Mountain Bayou Lake Weather Forecast

    • 72
    • 96

    Slight Chance Thunderstorms

    • 73
    • 97

    Chance Rain Showers

    • 71
    • 96

    Mostly Sunny

    • 67
    • 93

    Partly Sunny

    • 67
    • 92

    Partly Sunny

    • 68
    • 92

    Partly Sunny

Today 21 Sep Evangeline

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. Northwest Winds around 5 Mph in the Morning, becoming light and variable. Chance of rain 20 percent.

Tonight 21 Sep Evangeline

Mostly clear. Lows in the lower 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Bayou Lake Temperature Statistics

September Temperature

Opelousas St Landry Parish Airport (23.6 miles)

  • Lowest 18 September, 2026

    64.4 °F

  • Average September

    80.7 °F

  • Highest 15 September, 2026

    95.4 °F

Climate (2021–2026)

Opelousas St Landry Parish Airport (23.6 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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