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Area Conditions for Port Allen, LA
 
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Temperature: 47 oF
Feels Like: 41 oF
Humidity: 52%
Barometer: 30.38
Dew Point: 30 oF
Wind Dir.: N
Wind Speed: 15 mph
Sunrise: 6:53
Sunset: 5:05
Observation: Sunny
Radar
As reported at BATON ROUGE, LA at 1:00 PM

5-day Forecast for Port Allen, LA
Date Sun
12/14
Mon
12/15
Tue
12/16
Wed
12/17
Thu
12/18
Weather Condition Clear Clear Partly Cloudy Rain Thunder Storms
Weather Clear Clear Partly Cloudy Rain Thunder Storms
Temperature (°F)
Low/High
33/64 24/50 29/60 46/69 56/76
Feels Like (°F)
Low/High
25/64 18/50 29/60 44/69 56/76
Dew Point (°F) 25 19 35 52 58
Humidity (%) 50 44 75 82 81
Wind Speed (mph) 11 4 4 6 7
Precipitation
Chance
(%)
- - - 37 77
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None None None Rain
0.12
Rain
0.21
Evapo-
transpiration

(inches/day)
0.13 0.06 0.06 0.06 0.08

County Forecast for Port Allen , LA
 
150100-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
1151 AM CST Sun Dec 14 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 9 AM CST MONDAY...

This afternoon   Sunny. Much cooler with highs in the upper 40s. Temperature falling into the lower 40s. North winds 15 to 20 mph with gusts up to 30 mph.
Tonight   Clear. Much colder with lows in the upper 20s. North winds 10 to 15 mph.
Monday   Sunny. Highs in the upper 40s. Northeast winds around 5 mph.
Monday night   Mostly clear in the evening, then becoming partly cloudy. Widespread frost. Cold with lows in the upper 20s. Light and variable winds.
Tuesday   Widespread frost in the morning. Partly sunny. Not as cool with highs in the upper 50s. Southeast winds around 5 mph.
Tuesday night   Mostly cloudy. Not as cool with lows in the upper 40s.
Wednesday and wednesday night   Mostly cloudy with a 20 percent chance of showers. Highs around 70. Lows in the upper 50s.
Thursday   Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. Temperature falling into the upper 60s in the afternoon. Chance of rain 30 percent.
Thursday night   Partly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. Chance of rain 20 percent.
Friday   Sunny, cooler with highs in the mid 60s.
Friday night and saturday   Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Arctic Blast This Weekend, Warmer Next Week
Posted at 12:31PM Fri Dec 12, 2025 CST
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