| NWS Forecast for: St. John The Baptist Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 531 AM CDT Sun Sep 13 2026 | |
| Today: Sunny. Highs in the lower 90s. Light and variable winds, becoming south around 5 mph this afternoon. Tonight: Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Monday: Mostly sunny. Highs in the lower 90s. Northwest winds around 5 mph, becoming east in the afternoon. Monday Night: Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Tuesday: Sunny. Highs in the lower 90s. North winds around 5 mph, becoming east around 5 mph in the afternoon. Tuesday Night: Mostly clear. Lows in the upper 70s. Wednesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Wednesday Night Through Thursday Night: Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Friday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Friday Night: Mostly clear. Lows in the mid 70s. Saturday: Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: St. John The Baptist Parish | |
Visit your local NWS office at: https://www.weather.gov/lix |