National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

A Few Clouds

69°F

21°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 3:56 am CDT
Extended Forecast for

Bayou Vista LA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. East wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 71. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Northeast wind around 5 mph.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Northeast wind 5 to 10 mph.

    High: 88 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. East wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 71. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. East wind around 5 mph.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
Last Update:
1:45 am CDT Oct 4, 2025
Forecast Valid:
4am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation