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Area Conditions for Port Allen, LA
 
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Temperature: 88 oF
Feels Like: 99 oF
Humidity: 68%
Barometer: 30.07
Dew Point: 76 oF
Wind Dir.: WSW
Wind Speed: 8 mph
Sunrise: 6:04
Sunset: 8:11
Observation: Partly Cloudy
Radar
As reported at BATON ROUGE, LA at 11:00 AM

5-day Forecast for Port Allen, LA
Date Sun
6/28
Mon
6/29
Tue
6/30
Wed
7/1
Thu
7/2
Weather Condition Partly Cloudy Partly Cloudy Mostly Cloudy Thunder Storms Thunder Storms
Weather Partly Cloudy Partly Cloudy Mostly Cloudy Thunder Storms Thunder Storms
Temperature (°F)
Low/High
76/95 75/95 75/95 76/93 75/93
Feels Like (°F)
Low/High
87/104 77/101 77/103 78/105 77/103
Dew Point (°F) 73 73 73 75 74
Humidity (%) 55 58 58 67 64
Wind Speed (mph) 6 4 3 4 4
Precipitation
Chance
(%)
- - - 65 54
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None None None Rain
0.42
Rain
0.20
Evapo-
transpiration

(inches/day)
0.24 0.21 0.2 0.19 0.19

County Forecast for Port Allen , LA
 
281800-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
535 AM CDT Sun Jun 28 2026

Today   Sunny. Highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 109.
Tonight   Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 108 early in the evening.
Monday   Sunny with highs in the mid 90s. Light and variable winds, becoming southeast around 5 mph in the afternoon. Heat index values up to 108.
Monday night   Clear with lows in the mid 70s. South winds around 5 mph. Heat index values up to 108 early in the evening.
Tuesday   Sunny with highs in the upper 90s. Light and variable winds. Heat index values up to 109.
Tuesday night   Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening.
Wednesday   Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. Heat index values up to 105.
Wednesday night   Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Chance of rain 20 percent.
Thursday   Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105.
Thursday night   Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
Friday   Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110.
Friday night   Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Independence day   Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heatwave Starts This Weekend, Continues Through Next Week
Posted at 12:03PM Fri Jun 26, 2026 CDT
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