Tuesday, December 16, 2025  
 
Weather 
Home
Site References
Placid Homepage
 
 
Area Conditions for Port Allen, LA
 
Change Zip Code: 
 
Temperature: 33 oF
Feels Like: 33 oF
Humidity: 85%
Barometer: 30.3
Dew Point: 29 oF
Wind Dir.: N
Wind Speed: 0 mph
Sunrise: 6:54
Sunset: 5:05
Observation: Sunny
Radar
As reported at BATON ROUGE, LA at 8:00 AM

5-day Forecast for Port Allen, LA
Date Tue
12/16
Wed
12/17
Thu
12/18
Fri
12/19
Sat
12/20
Weather Condition Mostly Cloudy Rain Thunder Storms Clear Partly Cloudy
Weather Mostly Cloudy Rain Thunder Storms Clear Partly Cloudy
Temperature (°F)
Low/High
28/60 45/67 56/75 42/60 40/73
Feels Like (°F)
Low/High
24/60 43/67 56/75 39/60 37/73
Dew Point (°F) 36 50 55 35 48
Humidity (%) 72 82 79 47 77
Wind Speed (mph) 4 5 7 5 8
Precipitation
Chance
(%)
- 24 52 - -
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None Rain
0.03
Rain
0.15
None None
Evapo-
transpiration

(inches/day)
0.05 0.06 0.08 0.09 0.09

County Forecast for Port Allen , LA
 
161900-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
511 AM CST Tue Dec 16 2025

Today   Widespread frost this morning. Partly sunny. Not as cool with highs in the upper 50s. Southeast winds around 5 mph.
Tonight   Mostly cloudy. Not as cool with lows in the upper 40s. East winds around 5 mph.
Wednesday   Patchy fog in the morning. Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the upper 60s. East winds around 5 mph. Chance of rain 20 percent.
Wednesday night   Mostly cloudy with a 20 percent chance of showers. Patchy fog. Not as cool with lows in the upper 50s. Southeast winds around 5 mph.
Thursday   Partly sunny. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 50 percent.
Thursday night   Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the mid 40s. Chance of rain 30 percent.
Friday and friday night   Mostly clear. Highs in the lower 60s. Lows in the mid 40s.
Saturday   Mostly sunny. Not as cool with highs in the lower 70s.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the lower 60s.
Sunday   Mostly sunny. Highs in the upper 70s.
Sunday night and monday   Mostly cloudy. Lows in the lower 60s. Highs in the mid 70s.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Warmer Air Continues to Spread East Tuesday

Warmer air continues to move into the Midwest, Delta and Southeast. Possible showers for the South-Central states. » More DTN Weather Commentary

Posted at 12:13PM Mon Dec 15, 2025 CST
Click here to get your local weather emailed to you each day.
 
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN