Lake Saint Jean Baptiste Weather Forecast

    • 66
    • 72

    Rain Showers

    • 51
    • 71

    Rain Showers

    • 44
    • 58

    Mostly Cloudy

    • 47
    • 53

    Mostly Cloudy

    • 52
    • 58

    Mostly Cloudy

    • 47
    • 62

    Slight Chance Rain Showers

Today 9 Jan Lower Terrebonne

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 9 Jan Lower Terrebonne

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Lake Saint Jean Baptiste Temperature Statistics

January Temperature

Port Fourchon (21.7 miles)

  • Lowest

  • Average January

  • Highest

Climate (–Present)

Port Fourchon (21.7 miles)

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  • Average Low

    71.6 °F
  • Average

    72.5 °F
  • Average High

    75.2 °F
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