Port Allen, LA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Port Allen, LA in one place.
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Cloudy, with a high near 80. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Port Allen, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 1:11 PM CDT.
The active forecast window currently covers May 25 to May 30, 2026 for Port Allen, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 1:11 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Allen
Friday looks like the warmest upcoming period in Port Allen at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Memorial Day at about 0 to 5 mph SE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:11 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 40%.
Showers and thunderstorms. Partly sunny, with a high near 83. South wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 80%.
A slight chance of rain showers before 7am, then showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Southeast wind 0 to 5 mph.
Showers and thunderstorms. Mostly cloudy, with a high near 83. South wind around 5 mph.
Showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 0 to 5 mph.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Southwest wind 0 to 5 mph.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 71. South wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Chance Showers And Thunderstorms
|
80°F |
0 to 5 mph
SE
|
|
Monday Night
May 25
|
Chance Showers And Thunderstorms
|
70°F |
5 mph
SE
|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
83°F |
0 to 5 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
SE
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
84°F |
5 mph
SE
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
SE
|
|
Thursday
May 28
|
Showers And Thunderstorms
|
83°F |
5 mph
S
|
|
Thursday Night
May 28
|
Showers And Thunderstorms
|
72°F |
0 to 5 mph
S
|
|
Friday
May 29
|
Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
SW
|
|
Saturday
May 30
|
Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
SW
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely
|
71°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Allen.
