Monday, September 15, 2025  
 
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Area Conditions for Port Allen, LA
 
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Temperature: 90 oF
Feels Like: 92 oF
Humidity: 44%
Barometer: 30.01
Dew Point: 65 oF
Wind Dir.: N
Wind Speed: 5 mph
Sunrise: 6:49
Sunset: 7:09
Observation: Partly Cloudy
Radar
As reported at BATON ROUGE, LA at 4:00 PM

5-day Forecast for Port Allen, LA
Date Mon
9/15
Tue
9/16
Wed
9/17
Thu
9/18
Fri
9/19
Weather Condition Mostly Cloudy Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Weather Mostly Cloudy Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Temperature (°F)
Low/High
70/91 70/92 70/91 69/92 69/91
Feels Like (°F)
Low/High
70/92 70/94 70/94 69/94 69/93
Dew Point (°F) 66 67 68 67 66
Humidity (%) 52 57 58 54 54
Wind Speed (mph) 2 2 2 4 5
Precipitation
Chance
(%)
- 26 40 20 40
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None Rain
0.03
Rain
0.03
Rain
0.02
Rain
0.12
Evapo-
transpiration

(inches/day)
0.15 0.15 0.14 0.16 0.17

County Forecast for Port Allen , LA
 
160100-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
1230 PM CDT Mon Sep 15 2025

This afternoon   Partly sunny. Near steady temperature around 90. North winds around 5 mph.
Tonight   Partly cloudy in the evening, then clearing. Lows in the lower 70s. Southeast winds around 5 mph.
Tuesday   Mostly sunny. Highs in the lower 90s. South winds around 5 mph.
Tuesday night   Partly cloudy in the evening, then clearing. Lows in the lower 70s. Southwest winds around 5 mph.
Wednesday   Sunny. Highs in the lower 90s. West winds around 5 mph, becoming northeast around 5 mph in the afternoon.
Wednesday night through friday   Mostly clear. Lows around 70. Highs in the lower 90s.
Friday night   Partly cloudy in the evening, then clearing. Lows in the lower 70s.
Saturday   Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Saturday night   Partly cloudy in the evening, then clearing. Lows in the lower 70s.
Sunday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Isolated Showers in Central US Tuesday
Posted at 12:04PM Mon Sep 15, 2025 CDT
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