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

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Fair

38°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Mar 12:55 am CDT
Extended Forecast for

Geismar LA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming southeast around 5 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Friday

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

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Geismar LA
 30.22°N 91°W
Last Update:
10:16 pm CDT Mar 17, 2026
Forecast Valid:
1am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation