Mermentau Weather Forecast

    • 35
    • 54

    Rain Showers

    • 23
    • 42

    Rain Showers

    • 16
    • 36

    Mostly Sunny

    • 25
    • 42

    Partly Sunny

    • 30
    • 50

    Partly Sunny

    • 31
    • 49

    Mostly Cloudy

Today 24 Jan Northern Acadia

Showers likely with a slight chance of Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Cooler with Highs in the lower 50s. Temperature falling into the upper 40s this afternoon. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 24 Jan Northern Acadia

Rain Showers with a slight chance of Thunderstorms in the Evening, then rain Showers with a chance of Thunderstorms after midnight. Cooler with Lows in the mid 30s. North Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mermentau Temperature Statistics

January Temperature

Jennings Airport (6.2 miles)

  • Lowest 18 January, 2026

    29.8 °F

  • Average January

    56.2 °F

  • Highest 9 January, 2026

    78.4 °F

Climate (2021–Present)

Jennings Airport (6.2 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    68.8 °F

  • Average High 2021–2026

    78 °F
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