Port Allen, LA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Allen, LA in one place.
Sunny, with a high near 96. Heat index values as high as 107. Northwest wind around 5 mph.
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: Jul 17, 2026 10:39 PM CDT.
The active forecast window currently covers Jul 19 to Jul 24, 2026 for Port Allen, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 24, 2026
- Latest sync
- Jul 17, 2026 10:39 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Allen
Monday looks like the warmest upcoming period in Port Allen at 98 degrees F.
Thursday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Sunday at about 5 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 10:39 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
Mostly clear, with a low around 77. West wind around 5 mph.
Sunny, with a high near 98. Northwest wind around 5 mph.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. West wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Sunny, with a high near 98. West wind around 5 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Southwest wind around 5 mph.
Mostly sunny, with a high near 98. West wind around 5 mph.
Mostly clear, with a low around 78. West wind around 5 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Northwest wind around 5 mph.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. North wind 0 to 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. North wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Sunny
|
96°F |
5 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
77°F |
5 mph
W
|
|
Monday
Jul 20
|
Sunny
|
98°F |
5 mph
NW
|
|
Monday Night
Jul 20
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
77°F |
0 to 5 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Showers And Thunderstorms
|
98°F |
5 mph
W
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
5 mph
SW
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
98°F |
5 mph
W
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
78°F |
5 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny then Chance Showers And Thunderstorms
|
97°F |
5 mph
NW
|
|
Thursday Night
Jul 23
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 5 mph
N
|
|
Friday
Jul 24
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Allen.
