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Port Mansfield, TX Weather Forecast
Port Mansfield, TX Weather Forecast Date: 127 AM CDT Thu Sep 17 2026
The area/counties/county of: Coastal Willacy, including the city of Port Mansfield.or toggle through each period.
Rest of Tonight... Partly cloudy. Near steady temperature in the lower 80s. East winds around 5 mph.
Thursday... Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the mid 90s. Northeast winds 10 to 15 mph. Chance of rain 20%. Heat index values up to 113.
Thursday Night... Partly cloudy. A chance of showers after midnight. Humid with lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 30%. Heat index values up to 107 early in the evening.
Friday... Sunny with highs in the mid 90s. East winds 10 to 15 mph. Heat index values up to 111.
Friday Night... Mostly clear. Humid with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight.
Saturday... Sunny. Highs in the lower 90s. Heat index values up to 110.
Saturday Night... Mostly clear. Lows in the mid 70s.
Sunday... Sunny. Highs in the mid 90s. Heat index values up to 110.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
Monday... Sunny. Highs in the mid 90s. Heat index values up to 110.
Monday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Tuesday... Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30%. Heat index values up to 110.
Tuesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
POP = Probability of Precipitation
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