Weather in Chalmette, LA
Updated 2026-09-26 09:00 local time · ZIP codes 70043
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
79°15% rain
81°4% rain84°2% rain86°1% rain87°10% rain88°10% rain88°10% rain88°10% rain87°10% rain85°11% rain
82°11% rain81°12% 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 15%).
It feels like 81°F with winds near 5 mph.
81°F, 4% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 79°F, wind 5 mph, rain chance up to 15%.
UV index is 2.
Local weather characteristics in Chalmette
Louisiana is warm, humid and rainy, with hot summers, mild winters, frequent thunderstorms and exposure to tropical storms and hurricanes near the Gulf Coast.
Chalmette is part of the South weather region. The forecast point is near 29.94°N latitude and 89.96°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.
Chalmette weather today
Overcast and 79°F in Chalmette, LA. Today's high is 88°F with a 8% rain chance. Winds are around 5 mph with gusts near 14 mph. Relative humidity is 64%, pressure is 30.04 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Chalmette
Sunrise is at 06:50 AM and sunset is at 06:51 PM. Tomorrow's forecast calls for Sunny with a high near 91°F and a low near 76°F. The maximum rain chance is 6%.