Port Allen, in Louisiana, United States, is home to roughly 5,100 people in the Central Time Zone at 30.5°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Port Allen recorded a mean annual temperature of 70°F, ranging from 11°F lows in January to 98°F highs in August, with about 46 inches of precipitation across the year.
View historical weather for Port Allen · More cities in Louisiana