Sunday, July 12, 2026  
 
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Area Conditions for Port Allen, LA
 
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Temperature: 84 oF
Feels Like: 93 oF
Humidity: 77%
Barometer: 30.14
Dew Point: 76 oF
Wind Dir.: W
Wind Speed: 5 mph
Sunrise: 6:11
Sunset: 8:09
Observation: Mostly Sunny
Radar
As reported at BATON ROUGE, LA at 11:00 AM

5-day Forecast for Port Allen, LA
Date Sun
7/12
Mon
7/13
Tue
7/14
Wed
7/15
Thu
7/16
Weather Condition Thunder Storms Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Weather Thunder Storms Thunder Storms Thunder Storms Thunder Storms Thunder Storms
Temperature (°F)
Low/High
73/88 73/81 71/85 72/88 72/93
Feels Like (°F)
Low/High
79/99 75/87 72/93 73/96 74/101
Dew Point (°F) 75 74 72 73 73
Humidity (%) 78 90 83 73 64
Wind Speed (mph) 6 5 5 5 4
Precipitation
Chance
(%)
43 59 65 40 40
Precipitation
Amount
(inches)
S=Snow, L=Liquid
Rain
0.35
Rain
0.52
Rain
0.30
Rain
0.10
Rain
0.09
Evapo-
transpiration

(inches/day)
0.16 0.12 0.14 0.17 0.18

County Forecast for Port Allen , LA
 
121400-
West Baton Rouge-
Including the cities of Port Allen, Addis, and Brusly
121 AM CDT Sun Jul 12 2026

Rest of tonight   Partly cloudy. Near steady temperature in the upper 70s. Light and variable winds.
Sunday   Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 90 percent.
Sunday night   Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Monday   Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 90 percent.
Monday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
Tuesday   Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 80 percent.
Tuesday night and wednesday   Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs around 90. Chance of rain 20 percent.
Wednesday night   Mostly cloudy in the evening, then clearing. Lows in the mid 70s.
Thursday   Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.
Thursday night   Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Friday and friday night   Mostly clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110.
Saturday   Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Extreme Heat Building Into Northern Plains This Weekend
Posted at 12:03PM Fri Jul 10, 2026 CDT
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