Weather in Port Barre, LA
Updated 2026-09-26 10:15 local time · ZIP codes 70577

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
80°13% rain
83°11% rain
87°10% rain
89°10% rain
90°9% rain
91°9% rain
90°9% rain
89°9% rain
87°9% rain
80°12% rain
78°13% rain
77°13% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 13%).
It feels like 82°F with winds near 4 mph.
78°F, 13% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 80°F, wind 4 mph, rain chance up to 13%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Port Barre
Louisiana is warm, humid and rainy, with hot summers, mild winters, frequent thunderstorms and exposure to tropical storms and hurricanes near the Gulf Coast.
Port Barre is part of the South weather region. The forecast point is near 30.56°N latitude and 91.95°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Port Barre weather today
Overcast and 80°F in Port Barre, LA. Today's high is 91°F with a 14% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 56%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Barre
Sunrise is at 06:58 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Sunny with a high near 96°F and a low near 69°F. The maximum rain chance is 5%.