Bayou Vista, Louisiana Weather
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Weather Forecast for Bayou Vista, Louisiana : St. Mary County
Issued: 11:35 am CDT Sep 14, 2025 Latitude: 29.6896528 Longitude: -91.2709383 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on This Afternoon Cloudy on Tonight Mostly Sunny on Monday Sunny on Tuesday Sunny on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Sunny on Saturday
High: 91°F Low: 71°F High: 91°F High: 92°F High: 92°F High: 91°F High: 91°F High: 93°F
Low: 71°F Low: 71°F Low: 71°F Low: 71°F Low: 71°F  
Mostly Sunny Cloudy Mostly Sunny Sunny Sunny Thunderstorms Thunderstorms Sunny
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Current Conditions at
PATTERSON MEMORIAL - (KPTN)
90°
Feels like 91°F
Clear
as of 11:56 AM CDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 9 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
HOUMA - (KHUM)
90°
Feels like 91°F
Clear
as of 11:47 AM CDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 7 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
NEW IBERIA/ACADIANA - (KARA)
88°
Feels like 90°F
Mostly Clear
as of 11:53 AM CDST
Rel. Humidity: 48%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Few at 5500ft, Few at 8000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 91. Southeast wind around 5 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm.
Sunny on Tuesday Tuesday... Sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 71.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 71.
Sunny on Saturday Saturday... Sunny, with a high near 93.
Current Radar Image


Sun Almanac for Bayou Vista, Louisiana
Sunrise: 06:50 AM
Sunset: 7:11 PM
Civil Sunrise:06:26 AM
Civil Sunset: 7:35 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 8:03 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 8:32 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.