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.

Fair

48°F

9°C

Humidity 25%
Wind Speed NW 15 G 21 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 18 Jan 1:56 pm CST
Extended Forecast for

Bayou Vista LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. Northwest wind 5 to 10 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 60. Calm wind becoming north around 5 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 60. Northeast wind 5 to 10 mph.

    High: 60 °F

    Areas Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after noon. Cloudy, with a high near 65. Southeast wind 5 to 10 mph.

    High: 65 °F

    Cloudy then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 52. East wind around 5 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Partly sunny, with a high near 65. Northeast wind 5 to 10 mph.

    High: 65 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Northwest wind 5 to 10 mph.
Tonight
Clear, with a low around 32. Calm wind.
M.L.King Day
Sunny, with a high near 60. Calm wind becoming north around 5 mph.
Monday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 60. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.
Wednesday
A 30 percent chance of showers after noon. Cloudy, with a high near 65. Southeast wind 5 to 10 mph.
Wednesday Night
Showers likely. Cloudy, with a low around 52. East wind around 5 mph becoming northeast after midnight. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before noon. Partly sunny, with a high near 65. Northeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
Last Update:
1:45 pm CST Jan 18, 2026
Forecast Valid:
2pm CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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