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.

Mostly Cloudy

86°F

30°C

Humidity 61%
Wind Speed E 7 mph
Barometer 29.91 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 6 Oct 1:55 pm CDT
Extended Forecast for

Donaldsonville LA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Northeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind becoming northeast around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. East wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind becoming northeast around 5 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind 10 to 15 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. East wind 10 to 15 mph.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Northeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 70. Calm wind becoming northeast around 5 mph.
Wednesday
Mostly sunny, with a high near 87. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 69. Calm wind becoming northeast around 5 mph after midnight.
Thursday
Sunny, with a high near 86. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 68. East wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind 10 to 15 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. East wind 10 to 15 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 67. East wind 5 to 10 mph becoming northeast after midnight.
Sunday
A chance of showers. Mostly sunny, with a high near 84. North wind around 5 mph becoming west in the morning.
Sunday Night
Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Columbus Day
A chance of showers. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
1:57 pm CDT Oct 6, 2026
Forecast Valid:
2pm CDT Oct 6, 2026-6pm CDT Oct 12, 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