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Grand Annse, Louisiana Weather Forecast
Grand Annse, Louisiana Weather
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Weather Forecast for Grand Annse, Louisiana : St. Martin County
Issued: 1:45 pm CDT Nov 1, 2025 Latitude: 30.3429747 Longitude: -91.7965037 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Sunny on This Afternoon 20% chance of rain on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday
High: 72°F Low: 48°F High: 67°F High: 68°F High: 73°F High: 77°F High: 78°F High: 80°F
Low: 41°F Low: 42°F Low: 47°F Low: 54°F Low: 56°F  
Mostly Sunny Rain Sunny Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
LAFAYETTE - (KLFT)
70°
Clear
as of 12:53 PM CDST
Rel. Humidity: 49%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Clear
Current Conditions at
NEW IBERIA/ACADIANA - (KARA)
70°
Clear
as of 12:53 PM CDST
Rel. Humidity: 49%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Clear
Current Conditions at
BATON ROUGE - (KBTR)
70°
Clear
as of 12:53 PM CDST
Rel. Humidity: 43%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
8 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
PATTERSON MEMORIAL - (KPTN)
70°
Clear
as of 12:56 PM CDST
Rel. Humidity: 52%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
12 MPH
060° Northeast
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 72. East wind around 5 mph becoming north.

20% chance of rain Tonight Tonight... A 20 percent chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. North wind around 5 mph becoming calm.

Sunny on Sunday Sunday... Sunny, with a high near 67. North wind 5 to 15 mph, with gusts as high as 20 mph.

Clear on Sunday Night Sunday Night... Clear, with a low around 41. Northeast wind 5 to 10 mph.

Sunny on Monday Monday... Sunny, with a high near 68. Northeast wind 5 to 10 mph.

Clear on Monday Night Monday Night... Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

Sunny on Tuesday Tuesday... Sunny, with a high near 73. Northeast wind around 5 mph becoming southeast in the afternoon.

Clear on Tuesday Night Tuesday Night... Clear, with a low around 47. Calm wind.

Sunny on Wednesday Wednesday... Sunny, with a high near 77. Calm wind becoming south around 5 mph.

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

Sunny on Thursday Thursday... Sunny, with a high near 78.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 56.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 80.

Current Radar Image


Sun Almanac for Grand Annse, Louisiana
Sunrise: 07:22 AM
Sunset: 6:20 PM
Civil Sunrise:06:57 AM
Civil Sunset: 6:44 PM
Nautical Sunrise: 06:29 AM
Nautical Sunset: 7:13 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 7:41 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.