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Donaldsonville, Louisiana Weather Forecast
Donaldsonville, Louisiana Weather
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No Watches or Warnings for Donaldsonville
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Weather Forecast for Donaldsonville, Louisiana : Ascension County
Issued: 11:30 pm CST Dec 22, 2025 Latitude: 30.1010323 Longitude: -90.9928773 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Christmas Day Friday Saturday Sunday Monday
Patchy Fog on Overnight Morning Fog on Tuesday Morning Fog on Wednesday Partly Sunny on Christmas Day Mostly Sunny on Friday Mostly Sunny on Saturday 10% chance of rain on Sunday Sunny on Monday
Low: 57°F High: 78°F High: 78°F High: 77°F High: 79°F High: 79°F High: 77°F High: 55°F
Low: 59°F Low: 58°F Low: 60°F Low: 61°F Low: 60°F Low: 45°F  
Patchy Fog Morning Fog Morning Fog Partly Sunny Mostly Sunny Mostly Sunny Rain Sunny
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Current Conditions at
BATON ROUGE - (KBTR)
57°
Clear
Mist
as of 1:31 AM CST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 3 Miles
Pressure: 30.27 in.
Flight Rule: MVFR
Wind Data
6 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
PATTERSON MEMORIAL - (KPTN)
61°
Clear
as of 12:56 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
3 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
HOUMA - (KHUM)
59°
Clear
as of 1:15 AM CST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 3 Miles
Pressure: 30.28 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Morning Fog on Tuesday Tuesday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph.
Morning Fog on Tuesday Night Tuesday Night... Widespread dense fog, mainly between 11pm and 4am. Otherwise, mostly cloudy, with a low around 59. Calm wind.
Morning Fog on Wednesday Wednesday... Areas of fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming southeast around 5 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 58. Calm wind.
Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 77. Calm wind becoming south around 5 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60. Calm wind.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the morning.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm.
10% chance of rain Sunday Sunday... A slight chance of showers. Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the morning.
10% chance of rain Sunday Night Sunday Night... A slight chance of showers. Mostly cloudy, with a low around 45. North wind 5 to 10 mph.
Sunny on Monday Monday... Sunny, with a high near 55. North wind 5 to 10 mph.
Current Radar Image


Sun Almanac for Donaldsonville, Louisiana
Sunrise: 06:57 AM
Sunset: 5:09 PM
Civil Sunrise:06:31 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 6:06 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:35 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.