National Weather Service forecast

Mermentau, Louisiana Weather

62°Overnight: Chance Rain Showers
Wind NW 5 mph

Mermentau 7-Day Forecast

  1. Overnight
    62°F
    Chance Rain Showers
    43% chance of precipitation

    A chance of rain showers and patchy fog before 2am. Mostly cloudy, with a low around 62. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    73°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 73. North wind 0 to 10 mph.

  3. Wednesday Night
    53°F
    Clear

    Clear, with a low around 53. North wind around 0 mph.

  4. Thursday
    76°F
    Sunny

    Sunny, with a high near 76. North wind around 0 mph.

  5. Thursday Night
    57°F
    Partly Cloudy
    7% chance of precipitation

    Partly cloudy, with a low around 57. North wind around 0 mph.

  6. Friday
    77°F
    Sunny
    2% chance of precipitation

    Sunny, with a high near 77. Northeast wind 0 to 5 mph.

  7. Friday Night
    55°F
    Partly Cloudy
    2% chance of precipitation

    Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

  8. Saturday
    71°F
    Mostly Sunny

    Mostly sunny, with a high near 71. Northeast wind around 10 mph.

  9. Saturday Night
    49°F
    Partly Cloudy
    4% chance of precipitation

    Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph.

  10. Sunday
    65°F
    Slight Chance Rain Showers then Mostly Sunny
    15% chance of precipitation

    A slight chance of rain showers before noon. Mostly sunny, with a high near 65. Chance of precipitation is 20%.

  11. Sunday Night
    45°F
    Partly Cloudy
    5% chance of precipitation

    Partly cloudy, with a low around 45.

  12. Monday
    67°F
    Sunny
    4% chance of precipitation

    Sunny, with a high near 67.

  13. Monday Night
    45°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 45.

  14. Tuesday
    71°F
    Sunny
    3% chance of precipitation

    Sunny, with a high near 71.

Issued by the National Weather Service (LCH office), updated .

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About Mermentau

Population (2020 Census)
516
Coordinates
30.188, -92.584
Elevation
7 ft
NWS forecast office
LCH
Time zone
America/Chicago
Sunrise today
6:26 AM CST
Sunset today
5:21 PM CST
Daylight today
10 h 54 min

Mermentau Weather Questions

What is the weather forecast for Mermentau, Louisiana?

Overnight: A chance of rain showers and patchy fog before 2am. Mostly cloudy, with a low around 62. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: Mostly sunny, with a high near 73. North wind 0 to 10 mph.

Will it rain or snow in Mermentau this week?

The best chance of precipitation is Overnight at 43%. Periods with a 30% chance or more: Overnight (43%).

How warm and how cold will it get in Mermentau this week?

The warmest day is Friday, with a high near 77°F. The coldest night is Sunday Night, with a low near 45°F.

What time are sunrise and sunset in Mermentau today?

Sunrise is at 6:26 AM CST and sunset is at 5:21 PM CST, for 10 h 54 min of daylight.

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