Mountain Bayou Lake Weather Forecast

    • 37
    • 68

    Sunny

    • 43
    • 60

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 50
    • 72

    Slight Chance Thunderstorms

    • 35
    • 59

    Partly Sunny

    • 42
    • 58

    Mostly Cloudy

Today 10 Dec Evangeline

Sunny. Not as cool with Highs in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 10 Dec Evangeline

Clear. Lows in the upper 30s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Bayou Lake Temperature Statistics

December Temperature

Opelousas St Landry Parish Airport (23.6 miles)

  • Lowest 3 December, 2025

    30.4 °F

  • Average December

    47.1 °F

  • Highest 7 December, 2025

    71.2 °F

Climate (2020–Present)

Opelousas St Landry Parish Airport (23.6 miles)

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  • Average Low 2020–2025

    58 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    78.7 °F
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