Thursday, September 18, 2025  
 
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Area Conditions for Port Allen, LA
 
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Temperature: 89 oF
Feels Like: 90 oF
Humidity: 42%
Barometer: 30.02
Dew Point: 63 oF
Wind Dir.: SE
Wind Speed: 8 mph
Sunrise: 6:50
Sunset: 7:06
Observation: Sunny
Radar
As reported at BATON ROUGE, LA at 1:00 PM

5-day Forecast for Port Allen, LA
Date Thu
9/18
Fri
9/19
Sat
9/20
Sun
9/21
Mon
9/22
Weather Condition Clear Partly Cloudy Clear Thunder Storms Thunder Storms
Weather Clear Partly Cloudy Clear Thunder Storms Thunder Storms
Temperature (°F)
Low/High
67/92 67/92 69/94 70/93 70/90
Feels Like (°F)
Low/High
67/92 67/93 69/95 70/94 70/93
Dew Point (°F) 63 66 66 66 69
Humidity (%) 43 54 53 54 62
Wind Speed (mph) 6 4 3 5 6
Precipitation
Chance
(%)
- - - 23 41
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None None None Rain
0.03
Rain
0.06
Evapo-
transpiration

(inches/day)
0.25 0.17 0.19 0.18 0.17

County Forecast for Port Allen , LA
 
181900-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
622 AM CDT Thu Sep 18 2025

Today   Sunny. Highs in the lower 90s. East winds around 5 mph.
Tonight   Clear. Lows in the upper 60s. Southeast winds around 5 mph in the evening, becoming light and variable.
Friday   Sunny. Highs in the lower 90s. Northeast winds around 5 mph.
Friday night   Mostly clear. Lows around 70. South winds around 5 mph in the evening, becoming light and variable.
Saturday   Sunny. Highs in the mid 90s. North winds around 5 mph, becoming east around 5 mph in the afternoon.
Saturday night and sunday   Partly cloudy. Lows in the lower 70s. Highs in the lower 90s.
Sunday night   Mostly clear. Lows in the lower 70s.
Monday and monday night   Mostly clear. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent.
Tuesday   Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent.
Tuesday night   Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
Wednesday   Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Another Rainy Day for Central US Thursday
Posted at 5:35AM Thu Sep 18, 2025 CDT
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