Sunday, August 9, 2026  
 
Weather 
Home
Site References
Placid Homepage
 
 
Area Conditions for Port Allen, LA
 
Change Zip Code: 
 
Temperature: 91 oF
Feels Like: 100 oF
Humidity: 56%
Barometer: 30.06
Dew Point: 73 oF
Wind Dir.: ESE
Wind Speed: 3 mph
Sunrise: 6:27
Sunset: 7:52
Observation: Partly Cloudy
Radar
As reported at BATON ROUGE, LA at 1:00 PM

5-day Forecast for Port Allen, LA
Date Sun
8/9
Mon
8/10
Tue
8/11
Wed
8/12
Thu
8/13
Weather Condition Thunder Storms Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Weather Thunder Storms Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Temperature (°F)
Low/High
74/92 75/88 75/93 76/93 76/94
Feels Like (°F)
Low/High
83/101 77/99 77/102 78/105 78/104
Dew Point (°F) 73 76 75 76 74
Humidity (%) 61 77 65 66 63
Wind Speed (mph) 5 4 4 6 6
Precipitation
Chance
(%)
34 40 27 36 32
Precipitation
Amount
(inches)
S=Snow, L=Liquid
Rain
0.08
Rain
0.20
Rain
0.03
Rain
0.09
Rain
0.11
Evapo-
transpiration

(inches/day)
0.19 0.15 0.18 0.19 0.2

County Forecast for Port Allen , LA
 
091800-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
535 AM CDT Sun Aug 9 2026

Today   Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 90s. Light and variable winds, becoming southeast around 5 mph this afternoon. Chance of rain 20 percent. Heat index values up to 107.
Tonight   Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Monday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds around 5 mph. Chance of rain 50 percent. Heat index values up to 106.
Monday night   Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Tuesday   Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 40 percent. Heat index values up to 107.
Tuesday night   Partly cloudy in the evening, then clearing. Lows in the mid 70s.
Wednesday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.
Wednesday night through saturday   Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Damaging Storms Possible in the Upper Midwest This Afternoon

Scattered showers, storms for the Upper Midwest. Heavier rain Friday night into Saturday morning for portions of the Delta. » More DTN Weather Commentary

Posted at 12:27PM Fri Aug 7, 2026 CDT
Click here to get your local weather emailed to you each day.
 
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN