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The Pen, LA 7-Day Night Weather Forecast
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The Pen, LA Weather Forecast
The Pen, LA Weather Forecast Date: 551 PM CDT Thu Oct 01 2026
The area/counties/county of: Coastal Jefferson, including the city of Grand Isle.or toggle through each period.
Tonight... Mostly clear with a slight chance of thunderstorms. A chance of showers, mainly this evening. Lows in the upper 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50%.
Friday... Sunny with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 70%.
Friday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Humid with lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 50%.
Saturday... Showers with a chance of thunderstorms. Humid with highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 90%.
Saturday Night... A chance of thunderstorms. Showers with lows in the lower 70s. East winds around 5 mph. Chance of rain 90%.
Sunday... Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain near 100%.
Sunday Night... Showers likely with a chance of thunderstorms. Lows in the lower 70s. Highs in the lower 80s. Chance of rain 70%.
Monday... Showers likely with a chance of thunderstorms. Lows in the lower 70s. Highs in the lower 80s. Chance of rain 70%.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 70s.
Tuesday... Showers likely in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70%.
Tuesday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Chance of rain 50%.
Wednesday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Breezy with highs around 80. Chance of rain 50%.
Wednesday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 60s.
POP = Probability of Precipitation
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