Weather WorldSt. Marks School, LA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Marks School, LA Weather Forecast
St. Marks School, LA Weather Forecast Date: 535 PM CDT Sun Sep 13 2026
The area/counties/county of: Upper St. Bernard, including the cities of: Chalmette, Meraux, and Violet.or toggle through each period.
Tonight... Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph.
Monday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Northwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 20%. Heat index values up to 106.
Monday Night... Mostly clear. Humid with lows in the upper 70s. Southwest winds around 5 mph in the evening, becoming light and variable.
Tuesday... Sunny with highs in the lower 90s. North winds around 5 mph, becoming east in the afternoon. Heat index values up to 106.
Tuesday Night... Mostly clear. Humid with lows around 80. East winds 5 to 10 mph.
Wednesday... A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 80s. Chance of rain 60%.
Wednesday Night... Mostly clear. Lows in the upper 70s. Highs in the upper 80s.
Thursday... Mostly clear. Lows in the upper 70s. Highs in the upper 80s.
Thursday Night... Clear. Lows in the mid 70s.
Friday... Sunny. Highs in the upper 80s.
Friday Night... Mostly clear with a 20% chance of showers. Lows in the upper 70s.
Saturday... Sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40%.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 70s. Chance of rain 20%.
POP = Probability of Precipitation
St. Marks School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...