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City of Port Isabel, TXPort Isabel, TX 7-Day Night Weather Forecast
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Port Isabel, TX Weather Forecast
Port Isabel, TX Weather Forecast Date: 127 PM CDT Wed Oct 07 2026
The area/counties/county of: Coastal Cameron, including the cities of: Port Isabel and Laguna Vista.or toggle through each period.
This Afternoon... Showers with a chance of thunderstorms. Near steady temperature in the mid 80s. Northeast winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 90%.
Tonight... Partly cloudy in the evening, then becoming mostly clear. A chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the upper 70s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50%.
Thursday... Sunny with a chance of showers. Humid with highs around 90. Northeast winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 50%.
Thursday Night... Mostly clear. Lows in the upper 70s. Northeast winds 15 to 20 mph, diminishing to 5 to 10 mph after midnight.
Friday... A chance of showers in the morning. Sunny. Highs in the upper 80s. North winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 40%.
Friday Night... Mostly clear. Lows in the mid 70s.
Saturday... Sunny. Highs around 90.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
Sunday... Mostly sunny. Highs in the upper 80s.
Sunday Night... Partly cloudy. Lows in the upper 70s.
Columbus Day... Mostly sunny. Highs around 90. Heat index values up to 105.
Monday Night... Mostly clear. Lows in the upper 70s.
POP = Probability of Precipitation
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