Weather in Lake Arthur, LA
Updated 2026-08-11 12:00 local time · ZIP codes 70549

Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
91°3% rain
98°2% rain
94°24% rain
96°26% rain
93°3% rain
94°2% rain
91°2% rain
87°4% rain
83°5% rain
82°7% rain
80°9% rain
80°10% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 26%).
It feels like 102°F with winds near 5 mph.
83°F, 5% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is 91°F, wind 5 mph, rain chance up to 26%.
UV index is 10. Use shade, sunscreen, a hat and sunglasses.
Lake Arthur weather today
Cloudy and 91°F in Lake Arthur, LA. Today's high is 98°F with a 36% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 59%, pressure is 30.13 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Lake Arthur
Sunrise is at 06:36 AM and sunset is at 07:56 PM. Tomorrow's forecast calls for Sunny with a high near 95°F and a low near 77°F. The maximum rain chance is 10%.