National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Partly Cloudy

77°F

25°C

Humidity 56%
Wind Speed S 7 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Mar 12:53 pm CDT
Extended Forecast for

Mermentau LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. South wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 80 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. North wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. East wind 5 to 10 mph becoming southeast in the afternoon.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 61. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 63. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 55. North wind around 5 mph.
Sunday
Sunny, with a high near 79. East wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mermentau LA
 30.18°N 92.58°W
Last Update:
1:46 pm CDT Mar 25, 2026
Forecast Valid:
1pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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