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Grand Bayou, Louisiana Weather Forecast
Grand Bayou, Louisiana Weather
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Weather Forecast for Grand Bayou, Louisiana : Assumption County
Issued: 12:26 am CDT Nov 2, 2025 Latitude: 30.0152006 Longitude: -91.1306578 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today Clear on Tonight Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday 20% chance of  on Saturday
High: 70°F Low: 43°F High: 68°F High: 75°F High: 79°F High: 80°F High: 82°F High: 83°F
Low: 45°F Low: 49°F Low: 54°F Low: 58°F Low: 62°F  
Sunny Clear Sunny Sunny Sunny Sunny Mostly Sunny Sunny
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Current Conditions at
PATTERSON MEMORIAL - (KPTN)
55°
Clear
as of 3:56 AM CST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
BATON ROUGE - (KBTR)
52°
Clear
as of 3:53 AM CST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
HOUMA - (KHUM)
57°
Clear
as of 3:55 AM CST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 7 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 70. North wind 5 to 10 mph.

Clear on Tonight Tonight... Clear, with a low around 43. North wind around 5 mph.

Sunny on Monday Monday... Sunny, with a high near 68. North wind around 5 mph.

Clear on Monday Night Monday Night... Clear, with a low around 45. Calm wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 75. Calm wind becoming east around 5 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 49. Calm wind.

Sunny on Wednesday Wednesday... Sunny, with a high near 79. Calm wind.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 54. Calm wind.

Sunny on Thursday Thursday... Sunny, with a high near 80. Calm wind becoming southeast around 5 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 58. South wind around 5 mph becoming calm.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the morning.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 62. South wind around 5 mph becoming calm in the evening.

20% chance of  Saturday Saturday... A chance of sprinkles. Sunny, with a high near 83. Calm wind becoming south around 5 mph in the morning.

Current Radar Image


Sun Almanac for Grand Bayou, Louisiana
Sunrise: 06:20 AM
Sunset: 5:17 PM
Civil Sunrise:05:55 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 05:27 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 04:58 AM
Astro Sunset: 6:38 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.