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.

Mostly Cloudy

84°F

29°C

Humidity 63%
Wind Speed S 5 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 14 May 6:53 pm CDT
Extended Forecast for

Mermentau LA

  • Tonight

    Tonight: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 69. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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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:
6:45 pm CDT May 14, 2026
Forecast Valid:
7pm CDT May 14, 2026-6pm CDT May 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation