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Patterson, LA Weather Forecast
Patterson, LA Weather Forecast Date: 306 AM CDT Thu Sep 03 2026
The area/counties/county of: Upper St. Mary, including the cities of: Morgan City, Centerville, Franklin, Patterson, Berwick, and Bayou Vista.or toggle through each period.
Today... Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. East winds around 5 mph, becoming southeast around 5 mph this afternoon. Chance of rain 50%. Heat index values up to 107.
Tonight... Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 70%. Heat index values up to 107.
Friday Night... Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs around 90. Temperature falling into the mid 80s in the afternoon. Northwest winds around 5 mph, becoming southwest in the afternoon. Chance of rain 90%.
Saturday Night... Partly cloudy. Lows in the mid 70s.
Sunday... Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70%. Heat index values up to 110.
Sunday Night... Partly cloudy. Lows in the mid 70s.
Labor Day... Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70%. Heat index values up to 110.
Monday Night... Partly cloudy. Lows in the mid 70s.
Tuesday... Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70%. Heat index values up to 110.
Tuesday Night... Partly cloudy. Lows in the mid 70s.
POP = Probability of Precipitation
Patterson Radar Loop
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