Port Allen, LA Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Port Allen, LA in one place.
A slight chance of showers and thunderstorms after 4pm. Mostly sunny. High near 82, with temperatures falling to around 80 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 20%.
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: Apr 9, 2026 3:17 PM CDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Port Allen, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:17 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Allen
Tuesday looks like the warmest upcoming period in Port Allen at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph E.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:17 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 slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. East wind 0 to 10 mph. Chance of precipitation is 20%.
Sunny, with a high near 84. East wind 5 to 10 mph.
Mostly clear, with a low around 60. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Partly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.
Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Mostly sunny, with a high near 87. South wind 5 to 10 mph.
Mostly cloudy, with a low around 67. South wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
E
|
|
Friday Night
Apr 10
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
0 to 10 mph
E
|
|
Saturday
Apr 11
|
Sunny
|
84°F |
5 to 10 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
60°F |
5 to 10 mph
SE
|
|
Sunday
Apr 12
|
Mostly Sunny
|
85°F |
5 to 10 mph
SE
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
65°F |
5 to 10 mph
SE
|
|
Monday
Apr 13
|
Partly Sunny
|
86°F |
5 to 10 mph
SE
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
66°F |
5 to 10 mph
SE
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
87°F |
5 to 10 mph
SE
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
67°F |
5 to 10 mph
S
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
87°F |
5 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
67°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Allen.